Home / 758,840.40-1,138,260.60-197,874.90

Finding the Fourth Proportional to 758,840.40, 1,138,260.60 and 197,874.90

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Solution

The fourth proportional to 758,840.40, 1,138,260.60 and 197,874.90 is: 296,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,840.40 : 1,138,260.60 = 197,874.90 : x
  2. Step 2: Convert to fraction form
    758,840.40/1,138,260.60 = 197,874.90/x
  3. Step 3: Cross multiply
    758,840.40x = 1,138,260.60 × 197,874.90
  4. Step 4: Simplify right side
    758,840.40x = 225,233,202,398.94
  5. Step 5: Solve for x
    x = 225,233,202,398.94/758,840.40
  6. Step 6: Final answer
    x = 296,812.35

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Double scale
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Similar ratio
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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.