Home / 725,227.20-1,087,840.80-559,339.20

Finding the Fourth Proportional to 725,227.20, 1,087,840.80 and 559,339.20

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Solution

The fourth proportional to 725,227.20, 1,087,840.80 and 559,339.20 is: 839,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,227.20 : 1,087,840.80 = 559,339.20 : x
  2. Step 2: Convert to fraction form
    725,227.20/1,087,840.80 = 559,339.20/x
  3. Step 3: Cross multiply
    725,227.20x = 1,087,840.80 × 559,339.20
  4. Step 4: Simplify right side
    725,227.20x = 608,472,002,799.36
  5. Step 5: Solve for x
    x = 608,472,002,799.36/725,227.20
  6. Step 6: Final answer
    x = 839,008.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.