Home / 878,549.76-1,317,906.72-247,462.56

Finding the Fourth Proportional to 878,549.76, 1,317,906.72 and 247,462.56

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Solution

The fourth proportional to 878,549.76, 1,317,906.72 and 247,462.56 is: 371,216.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,549.76 : 1,317,906.72 = 247,462.56 : x
  2. Step 2: Convert to fraction form
    878,549.76/1,317,906.72 = 247,462.56/x
  3. Step 3: Cross multiply
    878,549.76x = 1,317,906.72 × 247,462.56
  4. Step 4: Simplify right side
    878,549.76x = 326,132,570,772.40
  5. Step 5: Solve for x
    x = 326,132,570,772.40/878,549.76
  6. Step 6: Final answer
    x = 371,216.96

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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.