Home / 987,234.64-1,480,851.97-239,280.64

Finding the Fourth Proportional to 987,234.64, 1,480,851.97 and 239,280.64

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Solution

The fourth proportional to 987,234.64, 1,480,851.97 and 239,280.64 is: 358,920.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,234.64 : 1,480,851.97 = 239,280.64 : x
  2. Step 2: Convert to fraction form
    987,234.64/1,480,851.97 = 239,280.64/x
  3. Step 3: Cross multiply
    987,234.64x = 1,480,851.97 × 239,280.64
  4. Step 4: Simplify right side
    987,234.64x = 354,339,202,826.53
  5. Step 5: Solve for x
    x = 354,339,202,826.53/987,234.64
  6. Step 6: Final answer
    x = 358,920.96

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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.