Home / 871,773.62-1,307,291.36-272,573.88

Finding the Fourth Proportional to 871,773.62, 1,307,291.36 and 272,573.88

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Solution

The fourth proportional to 871,773.62, 1,307,291.36 and 272,573.88 is: 408,745.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,773.62 : 1,307,291.36 = 272,573.88 : x
  2. Step 2: Convert to fraction form
    871,773.62/1,307,291.36 = 272,573.88/x
  3. Step 3: Cross multiply
    871,773.62x = 1,307,291.36 × 272,573.88
  4. Step 4: Simplify right side
    871,773.62x = 356,333,478,285.68
  5. Step 5: Solve for x
    x = 356,333,478,285.68/871,773.62
  6. Step 6: Final answer
    x = 408,745.42

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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.