Home / 987,523.80-1,481,285.70-239,569.80

Finding the Fourth Proportional to 987,523.80, 1,481,285.70 and 239,569.80

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Solution

The fourth proportional to 987,523.80, 1,481,285.70 and 239,569.80 is: 359,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,523.80 : 1,481,285.70 = 239,569.80 : x
  2. Step 2: Convert to fraction form
    987,523.80/1,481,285.70 = 239,569.80/x
  3. Step 3: Cross multiply
    987,523.80x = 1,481,285.70 × 239,569.80
  4. Step 4: Simplify right side
    987,523.80x = 354,871,318,891.86
  5. Step 5: Solve for x
    x = 354,871,318,891.86/987,523.80
  6. Step 6: Final answer
    x = 359,354.70

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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.