Home / 878,970.60-1,318,338.78-247,935.24

Finding the Fourth Proportional to 878,970.60, 1,318,338.78 and 247,935.24

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Solution

The fourth proportional to 878,970.60, 1,318,338.78 and 247,935.24 is: 371,869.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,970.60 : 1,318,338.78 = 247,935.24 : x
  2. Step 2: Convert to fraction form
    878,970.60/1,318,338.78 = 247,935.24/x
  3. Step 3: Cross multiply
    878,970.60x = 1,318,338.78 × 247,935.24
  4. Step 4: Simplify right side
    878,970.60x = 326,862,641,820.61
  5. Step 5: Solve for x
    x = 326,862,641,820.61/878,970.60
  6. Step 6: Final answer
    x = 371,869.82

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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.