Home / 744,753.63-1,117,130.39-212,260.83

Finding the Fourth Proportional to 744,753.63, 1,117,130.39 and 212,260.83

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Solution

The fourth proportional to 744,753.63, 1,117,130.39 and 212,260.83 is: 318,391.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,753.63 : 1,117,130.39 = 212,260.83 : x
  2. Step 2: Convert to fraction form
    744,753.63/1,117,130.39 = 212,260.83/x
  3. Step 3: Cross multiply
    744,753.63x = 1,117,130.39 × 212,260.83
  4. Step 4: Simplify right side
    744,753.63x = 237,123,023,799.62
  5. Step 5: Solve for x
    x = 237,123,023,799.62/744,753.63
  6. Step 6: Final answer
    x = 318,391.23

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Half scale
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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.