Home / 749,748.60-1,123,262.10-433,265.40

Finding the Fourth Proportional to 749,748.60, 1,123,262.10 and 433,265.40

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Solution

The fourth proportional to 749,748.60, 1,123,262.10 and 433,265.40 is: 649,111.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,748.60 : 1,123,262.10 = 433,265.40 : x
  2. Step 2: Convert to fraction form
    749,748.60/1,123,262.10 = 433,265.40/x
  3. Step 3: Cross multiply
    749,748.60x = 1,123,262.10 × 433,265.40
  4. Step 4: Simplify right side
    749,748.60x = 486,670,603,061.34
  5. Step 5: Solve for x
    x = 486,670,603,061.34/749,748.60
  6. Step 6: Final answer
    x = 649,111.72

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Double scale
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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.