Home / 757,781.32-1,045,663.77-418,227.70

Finding the Fourth Proportional to 757,781.32, 1,045,663.77 and 418,227.70

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Solution

The fourth proportional to 757,781.32, 1,045,663.77 and 418,227.70 is: 577,113.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,781.32 : 1,045,663.77 = 418,227.70 : x
  2. Step 2: Convert to fraction form
    757,781.32/1,045,663.77 = 418,227.70/x
  3. Step 3: Cross multiply
    757,781.32x = 1,045,663.77 × 418,227.70
  4. Step 4: Simplify right side
    757,781.32x = 437,325,553,500.43
  5. Step 5: Solve for x
    x = 437,325,553,500.43/757,781.32
  6. Step 6: Final answer
    x = 577,113.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.