Home / 698,052.20-1,047,227.10-398,676.20

Finding the Fourth Proportional to 698,052.20, 1,047,227.10 and 398,676.20

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Solution

The fourth proportional to 698,052.20, 1,047,227.10 and 398,676.20 is: 598,099.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,052.20 : 1,047,227.10 = 398,676.20 : x
  2. Step 2: Convert to fraction form
    698,052.20/1,047,227.10 = 398,676.20/x
  3. Step 3: Cross multiply
    698,052.20x = 1,047,227.10 × 398,676.20
  4. Step 4: Simplify right side
    698,052.20x = 417,504,520,765.02
  5. Step 5: Solve for x
    x = 417,504,520,765.02/698,052.20
  6. Step 6: Final answer
    x = 598,099.28

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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.