Home / 748,817.60-1,123,227.20-187,852.16

Finding the Fourth Proportional to 748,817.60, 1,123,227.20 and 187,852.16

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Solution

The fourth proportional to 748,817.60, 1,123,227.20 and 187,852.16 is: 281,778.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,817.60 : 1,123,227.20 = 187,852.16 : x
  2. Step 2: Convert to fraction form
    748,817.60/1,123,227.20 = 187,852.16/x
  3. Step 3: Cross multiply
    748,817.60x = 1,123,227.20 × 187,852.16
  4. Step 4: Simplify right side
    748,817.60x = 211,000,655,690.75
  5. Step 5: Solve for x
    x = 211,000,655,690.75/748,817.60
  6. Step 6: Final answer
    x = 281,778.44

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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.