Home / 725,225.20-1,087,837.80-559,337.20

Finding the Fourth Proportional to 725,225.20, 1,087,837.80 and 559,337.20

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Solution

The fourth proportional to 725,225.20, 1,087,837.80 and 559,337.20 is: 839,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,225.20 : 1,087,837.80 = 559,337.20 : x
  2. Step 2: Convert to fraction form
    725,225.20/1,087,837.80 = 559,337.20/x
  3. Step 3: Cross multiply
    725,225.20x = 1,087,837.80 × 559,337.20
  4. Step 4: Simplify right side
    725,225.20x = 608,468,149,106.16
  5. Step 5: Solve for x
    x = 608,468,149,106.16/725,225.20
  6. Step 6: Final answer
    x = 839,005.80

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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.