Home / 749,043.40-1,123,565.10-433,337.80

Finding the Fourth Proportional to 749,043.40, 1,123,565.10 and 433,337.80

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Solution

The fourth proportional to 749,043.40, 1,123,565.10 and 433,337.80 is: 650,006.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,043.40 : 1,123,565.10 = 433,337.80 : x
  2. Step 2: Convert to fraction form
    749,043.40/1,123,565.10 = 433,337.80/x
  3. Step 3: Cross multiply
    749,043.40x = 1,123,565.10 × 433,337.80
  4. Step 4: Simplify right side
    749,043.40x = 486,883,228,590.78
  5. Step 5: Solve for x
    x = 486,883,228,590.78/749,043.40
  6. Step 6: Final answer
    x = 650,006.70

Related Problems

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Half scale
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Double scale
Find fourth proportional to 749,044.40, 1,123,566.60 and 433,338.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.