Home / 987,591.52-1,481,081.04-356,423.20

Finding the Fourth Proportional to 987,591.52, 1,481,081.04 and 356,423.20

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Solution

The fourth proportional to 987,591.52, 1,481,081.04 and 356,423.20 is: 534,524.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,591.52 : 1,481,081.04 = 356,423.20 : x
  2. Step 2: Convert to fraction form
    987,591.52/1,481,081.04 = 356,423.20/x
  3. Step 3: Cross multiply
    987,591.52x = 1,481,081.04 × 356,423.20
  4. Step 4: Simplify right side
    987,591.52x = 527,891,643,736.13
  5. Step 5: Solve for x
    x = 527,891,643,736.13/987,591.52
  6. Step 6: Final answer
    x = 534,524.28

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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.