Home / 987,234.60-1,480,851.90-277,285.80

Finding the Fourth Proportional to 987,234.60, 1,480,851.90 and 277,285.80

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Solution

The fourth proportional to 987,234.60, 1,480,851.90 and 277,285.80 is: 415,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,234.60 : 1,480,851.90 = 277,285.80 : x
  2. Step 2: Convert to fraction form
    987,234.60/1,480,851.90 = 277,285.80/x
  3. Step 3: Cross multiply
    987,234.60x = 1,480,851.90 × 277,285.80
  4. Step 4: Simplify right side
    987,234.60x = 410,619,203,773.02
  5. Step 5: Solve for x
    x = 410,619,203,773.02/987,234.60
  6. Step 6: Final answer
    x = 415,928.70

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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.