Home / 748,502.40-1,122,753.60-216,040.80

Finding the Fourth Proportional to 748,502.40, 1,122,753.60 and 216,040.80

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Solution

The fourth proportional to 748,502.40, 1,122,753.60 and 216,040.80 is: 324,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,502.40 : 1,122,753.60 = 216,040.80 : x
  2. Step 2: Convert to fraction form
    748,502.40/1,122,753.60 = 216,040.80/x
  3. Step 3: Cross multiply
    748,502.40x = 1,122,753.60 × 216,040.80
  4. Step 4: Simplify right side
    748,502.40x = 242,560,585,946.88
  5. Step 5: Solve for x
    x = 242,560,585,946.88/748,502.40
  6. Step 6: Final answer
    x = 324,061.20

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Similar ratio
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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.