Home / 748,906.30-1,123,359.45-508,368.70

Finding the Fourth Proportional to 748,906.30, 1,123,359.45 and 508,368.70

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Solution

The fourth proportional to 748,906.30, 1,123,359.45 and 508,368.70 is: 762,553.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,906.30 : 1,123,359.45 = 508,368.70 : x
  2. Step 2: Convert to fraction form
    748,906.30/1,123,359.45 = 508,368.70/x
  3. Step 3: Cross multiply
    748,906.30x = 1,123,359.45 × 508,368.70
  4. Step 4: Simplify right side
    748,906.30x = 571,080,783,229.22
  5. Step 5: Solve for x
    x = 571,080,783,229.22/748,906.30
  6. Step 6: Final answer
    x = 762,553.05

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Double scale
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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.