Home / 878,686.02-1,318,029.21-247,517.82

Finding the Fourth Proportional to 878,686.02, 1,318,029.21 and 247,517.82

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Solution

The fourth proportional to 878,686.02, 1,318,029.21 and 247,517.82 is: 371,276.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,686.02 : 1,318,029.21 = 247,517.82 : x
  2. Step 2: Convert to fraction form
    878,686.02/1,318,029.21 = 247,517.82/x
  3. Step 3: Cross multiply
    878,686.02x = 1,318,029.21 × 247,517.82
  4. Step 4: Simplify right side
    878,686.02x = 326,235,716,755.52
  5. Step 5: Solve for x
    x = 326,235,716,755.52/878,686.02
  6. Step 6: Final answer
    x = 371,276.78

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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.