Home / 871,517.58-1,307,277.40-272,481.88

Finding the Fourth Proportional to 871,517.58, 1,307,277.40 and 272,481.88

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Solution

The fourth proportional to 871,517.58, 1,307,277.40 and 272,481.88 is: 408,723.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,517.58 : 1,307,277.40 = 272,481.88 : x
  2. Step 2: Convert to fraction form
    871,517.58/1,307,277.40 = 272,481.88/x
  3. Step 3: Cross multiply
    871,517.58x = 1,307,277.40 × 272,481.88
  4. Step 4: Simplify right side
    871,517.58x = 356,209,403,633.51
  5. Step 5: Solve for x
    x = 356,209,403,633.51/871,517.58
  6. Step 6: Final answer
    x = 408,723.14

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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.