Home / 871,879.26-1,307,113.05-272,531.82

Finding the Fourth Proportional to 871,879.26, 1,307,113.05 and 272,531.82

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Solution

The fourth proportional to 871,879.26, 1,307,113.05 and 272,531.82 is: 408,577.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,879.26 : 1,307,113.05 = 272,531.82 : x
  2. Step 2: Convert to fraction form
    871,879.26/1,307,113.05 = 272,531.82/x
  3. Step 3: Cross multiply
    871,879.26x = 1,307,113.05 × 272,531.82
  4. Step 4: Simplify right side
    871,879.26x = 356,229,898,462.25
  5. Step 5: Solve for x
    x = 356,229,898,462.25/871,879.26
  6. Step 6: Final answer
    x = 408,577.10

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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.