Home / 725,076.90-1,000,572.17-402,806.66

Finding the Fourth Proportional to 725,076.90, 1,000,572.17 and 402,806.66

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Solution

The fourth proportional to 725,076.90, 1,000,572.17 and 402,806.66 is: 555,854.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,076.90 : 1,000,572.17 = 402,806.66 : x
  2. Step 2: Convert to fraction form
    725,076.90/1,000,572.17 = 402,806.66/x
  3. Step 3: Cross multiply
    725,076.90x = 1,000,572.17 × 402,806.66
  4. Step 4: Simplify right side
    725,076.90x = 403,037,126,869.76
  5. Step 5: Solve for x
    x = 403,037,126,869.76/725,076.90
  6. Step 6: Final answer
    x = 555,854.32

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