Home / 749,502.30-1,123,864.65-275,943.90

Finding the Fourth Proportional to 749,502.30, 1,123,864.65 and 275,943.90

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Solution

The fourth proportional to 749,502.30, 1,123,864.65 and 275,943.90 is: 413,772.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,502.30 : 1,123,864.65 = 275,943.90 : x
  2. Step 2: Convert to fraction form
    749,502.30/1,123,864.65 = 275,943.90/x
  3. Step 3: Cross multiply
    749,502.30x = 1,123,864.65 × 275,943.90
  4. Step 4: Simplify right side
    749,502.30x = 310,123,594,593.14
  5. Step 5: Solve for x
    x = 310,123,594,593.14/749,502.30
  6. Step 6: Final answer
    x = 413,772.71

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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.