Home / 878,560.80-1,318,057.20-247,466.40

Finding the Fourth Proportional to 878,560.80, 1,318,057.20 and 247,466.40

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Solution

The fourth proportional to 878,560.80, 1,318,057.20 and 247,466.40 is: 371,260.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,560.80 : 1,318,057.20 = 247,466.40 : x
  2. Step 2: Convert to fraction form
    878,560.80/1,318,057.20 = 247,466.40/x
  3. Step 3: Cross multiply
    878,560.80x = 1,318,057.20 × 247,466.40
  4. Step 4: Simplify right side
    878,560.80x = 326,174,870,278.08
  5. Step 5: Solve for x
    x = 326,174,870,278.08/878,560.80
  6. Step 6: Final answer
    x = 371,260.44

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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.