Home / 748,891.80-1,123,337.70-465,456.60

Finding the Fourth Proportional to 748,891.80, 1,123,337.70 and 465,456.60

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Solution

The fourth proportional to 748,891.80, 1,123,337.70 and 465,456.60 is: 698,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,891.80 : 1,123,337.70 = 465,456.60 : x
  2. Step 2: Convert to fraction form
    748,891.80/1,123,337.70 = 465,456.60/x
  3. Step 3: Cross multiply
    748,891.80x = 1,123,337.70 × 465,456.60
  4. Step 4: Simplify right side
    748,891.80x = 522,864,946,493.82
  5. Step 5: Solve for x
    x = 522,864,946,493.82/748,891.80
  6. Step 6: Final answer
    x = 698,184.90

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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.