Home / 838,753.60-1,258,130.40-207,667.42

Finding the Fourth Proportional to 838,753.60, 1,258,130.40 and 207,667.42

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Solution

The fourth proportional to 838,753.60, 1,258,130.40 and 207,667.42 is: 311,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,753.60 : 1,258,130.40 = 207,667.42 : x
  2. Step 2: Convert to fraction form
    838,753.60/1,258,130.40 = 207,667.42/x
  3. Step 3: Cross multiply
    838,753.60x = 1,258,130.40 × 207,667.42
  4. Step 4: Simplify right side
    838,753.60x = 261,272,694,191.57
  5. Step 5: Solve for x
    x = 261,272,694,191.57/838,753.60
  6. Step 6: Final answer
    x = 311,501.13

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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.