Home / 725,757.30-1,087,198.74-497,491.20

Finding the Fourth Proportional to 725,757.30, 1,087,198.74 and 497,491.20

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Solution

The fourth proportional to 725,757.30, 1,087,198.74 and 497,491.20 is: 745,251.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,757.30 : 1,087,198.74 = 497,491.20 : x
  2. Step 2: Convert to fraction form
    725,757.30/1,087,198.74 = 497,491.20/x
  3. Step 3: Cross multiply
    725,757.30x = 1,087,198.74 × 497,491.20
  4. Step 4: Simplify right side
    725,757.30x = 540,871,805,801.09
  5. Step 5: Solve for x
    x = 540,871,805,801.09/725,757.30
  6. Step 6: Final answer
    x = 745,251.62

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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.