Home / 725,226.20-1,087,839.30-559,338.20

Finding the Fourth Proportional to 725,226.20, 1,087,839.30 and 559,338.20

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Solution

The fourth proportional to 725,226.20, 1,087,839.30 and 559,338.20 is: 839,007.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,226.20 : 1,087,839.30 = 559,338.20 : x
  2. Step 2: Convert to fraction form
    725,226.20/1,087,839.30 = 559,338.20/x
  3. Step 3: Cross multiply
    725,226.20x = 1,087,839.30 × 559,338.20
  4. Step 4: Simplify right side
    725,226.20x = 608,470,075,951.26
  5. Step 5: Solve for x
    x = 608,470,075,951.26/725,226.20
  6. Step 6: Final answer
    x = 839,007.30

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Double scale
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Similar ratio
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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.