Home / 555,732.29-766,628.40-351,439.15

Finding the Fourth Proportional to 555,732.29, 766,628.40 and 351,439.15

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Solution

The fourth proportional to 555,732.29, 766,628.40 and 351,439.15 is: 484,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,732.29 : 766,628.40 = 351,439.15 : x
  2. Step 2: Convert to fraction form
    555,732.29/766,628.40 = 351,439.15/x
  3. Step 3: Cross multiply
    555,732.29x = 766,628.40 × 351,439.15
  4. Step 4: Simplify right side
    555,732.29x = 269,423,233,261.86
  5. Step 5: Solve for x
    x = 269,423,233,261.86/555,732.29
  6. Step 6: Final answer
    x = 484,807.59

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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.