Home / 763,535.22-1,053,691.29-419,402.97

Finding the Fourth Proportional to 763,535.22, 1,053,691.29 and 419,402.97

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Solution

The fourth proportional to 763,535.22, 1,053,691.29 and 419,402.97 is: 578,783.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,535.22 : 1,053,691.29 = 419,402.97 : x
  2. Step 2: Convert to fraction form
    763,535.22/1,053,691.29 = 419,402.97/x
  3. Step 3: Cross multiply
    763,535.22x = 1,053,691.29 × 419,402.97
  4. Step 4: Simplify right side
    763,535.22x = 441,921,251,220.68
  5. Step 5: Solve for x
    x = 441,921,251,220.68/763,535.22
  6. Step 6: Final answer
    x = 578,783.06

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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.