Home / 725,070.11-1,000,562.80-402,799.86

Finding the Fourth Proportional to 725,070.11, 1,000,562.80 and 402,799.86

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Solution

The fourth proportional to 725,070.11, 1,000,562.80 and 402,799.86 is: 555,844.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,070.11 : 1,000,562.80 = 402,799.86 : x
  2. Step 2: Convert to fraction form
    725,070.11/1,000,562.80 = 402,799.86/x
  3. Step 3: Cross multiply
    725,070.11x = 1,000,562.80 × 402,799.86
  4. Step 4: Simplify right side
    725,070.11x = 403,026,555,761.21
  5. Step 5: Solve for x
    x = 403,026,555,761.21/725,070.11
  6. Step 6: Final answer
    x = 555,844.95

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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.