Home / 727,142.73-1,003,474.59-404,874.60

Finding the Fourth Proportional to 727,142.73, 1,003,474.59 and 404,874.60

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Solution

The fourth proportional to 727,142.73, 1,003,474.59 and 404,874.60 is: 558,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,142.73 : 1,003,474.59 = 404,874.60 : x
  2. Step 2: Convert to fraction form
    727,142.73/1,003,474.59 = 404,874.60/x
  3. Step 3: Cross multiply
    727,142.73x = 1,003,474.59 × 404,874.60
  4. Step 4: Simplify right side
    727,142.73x = 406,281,373,236.41
  5. Step 5: Solve for x
    x = 406,281,373,236.41/727,142.73
  6. Step 6: Final answer
    x = 558,736.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.