Home / 748,733.40-1,123,488.90-328,051.80

Finding the Fourth Proportional to 748,733.40, 1,123,488.90 and 328,051.80

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Solution

The fourth proportional to 748,733.40, 1,123,488.90 and 328,051.80 is: 492,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,733.40 : 1,123,488.90 = 328,051.80 : x
  2. Step 2: Convert to fraction form
    748,733.40/1,123,488.90 = 328,051.80/x
  3. Step 3: Cross multiply
    748,733.40x = 1,123,488.90 × 328,051.80
  4. Step 4: Simplify right side
    748,733.40x = 368,562,555,925.02
  5. Step 5: Solve for x
    x = 368,562,555,925.02/748,733.40
  6. Step 6: Final answer
    x = 492,248.05

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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.