Home / 871,854.08-1,307,755.20-240,805.76

Finding the Fourth Proportional to 871,854.08, 1,307,755.20 and 240,805.76

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Solution

The fourth proportional to 871,854.08, 1,307,755.20 and 240,805.76 is: 361,201.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,854.08 : 1,307,755.20 = 240,805.76 : x
  2. Step 2: Convert to fraction form
    871,854.08/1,307,755.20 = 240,805.76/x
  3. Step 3: Cross multiply
    871,854.08x = 1,307,755.20 × 240,805.76
  4. Step 4: Simplify right side
    871,854.08x = 314,914,984,829.95
  5. Step 5: Solve for x
    x = 314,914,984,829.95/871,854.08
  6. Step 6: Final answer
    x = 361,201.48

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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.