Home / 748,872.40-1,123,308.60-216,410.80

Finding the Fourth Proportional to 748,872.40, 1,123,308.60 and 216,410.80

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Solution

The fourth proportional to 748,872.40, 1,123,308.60 and 216,410.80 is: 324,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,872.40 : 1,123,308.60 = 216,410.80 : x
  2. Step 2: Convert to fraction form
    748,872.40/1,123,308.60 = 216,410.80/x
  3. Step 3: Cross multiply
    748,872.40x = 1,123,308.60 × 216,410.80
  4. Step 4: Simplify right side
    748,872.40x = 243,096,112,772.88
  5. Step 5: Solve for x
    x = 243,096,112,772.88/748,872.40
  6. Step 6: Final answer
    x = 324,616.20

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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.