Home / 987,367.32-1,480,234.50-454,439.16

Finding the Fourth Proportional to 987,367.32, 1,480,234.50 and 454,439.16

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Solution

The fourth proportional to 987,367.32, 1,480,234.50 and 454,439.16 is: 681,282.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,367.32 : 1,480,234.50 = 454,439.16 : x
  2. Step 2: Convert to fraction form
    987,367.32/1,480,234.50 = 454,439.16/x
  3. Step 3: Cross multiply
    987,367.32x = 1,480,234.50 × 454,439.16
  4. Step 4: Simplify right side
    987,367.32x = 672,676,522,783.02
  5. Step 5: Solve for x
    x = 672,676,522,783.02/987,367.32
  6. Step 6: Final answer
    x = 681,282.95

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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.