Home / 748,717.80-1,123,076.70-615,748.20

Finding the Fourth Proportional to 748,717.80, 1,123,076.70 and 615,748.20

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Solution

The fourth proportional to 748,717.80, 1,123,076.70 and 615,748.20 is: 923,622.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,717.80 : 1,123,076.70 = 615,748.20 : x
  2. Step 2: Convert to fraction form
    748,717.80/1,123,076.70 = 615,748.20/x
  3. Step 3: Cross multiply
    748,717.80x = 1,123,076.70 × 615,748.20
  4. Step 4: Simplify right side
    748,717.80x = 691,532,456,486.94
  5. Step 5: Solve for x
    x = 691,532,456,486.94/748,717.80
  6. Step 6: Final answer
    x = 923,622.30

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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.