Home / 987,227.32-1,480,840.98-239,273.32

Finding the Fourth Proportional to 987,227.32, 1,480,840.98 and 239,273.32

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Solution

The fourth proportional to 987,227.32, 1,480,840.98 and 239,273.32 is: 358,909.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,227.32 : 1,480,840.98 = 239,273.32 : x
  2. Step 2: Convert to fraction form
    987,227.32/1,480,840.98 = 239,273.32/x
  3. Step 3: Cross multiply
    987,227.32x = 1,480,840.98 × 239,273.32
  4. Step 4: Simplify right side
    987,227.32x = 354,325,737,676.65
  5. Step 5: Solve for x
    x = 354,325,737,676.65/987,227.32
  6. Step 6: Final answer
    x = 358,909.98

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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.