Home / 651,591.92-976,705.56-272,729.60

Finding the Fourth Proportional to 651,591.92, 976,705.56 and 272,729.60

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Solution

The fourth proportional to 651,591.92, 976,705.56 and 272,729.60 is: 408,808.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,591.92 : 976,705.56 = 272,729.60 : x
  2. Step 2: Convert to fraction form
    651,591.92/976,705.56 = 272,729.60/x
  3. Step 3: Cross multiply
    651,591.92x = 976,705.56 × 272,729.60
  4. Step 4: Simplify right side
    651,591.92x = 266,376,516,696.58
  5. Step 5: Solve for x
    x = 266,376,516,696.58/651,591.92
  6. Step 6: Final answer
    x = 408,808.81

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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.