Home / 866,760.89-1,298,960.35-417,449.03

Finding the Fourth Proportional to 866,760.89, 1,298,960.35 and 417,449.03

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Solution

The fourth proportional to 866,760.89, 1,298,960.35 and 417,449.03 is: 625,604.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,760.89 : 1,298,960.35 = 417,449.03 : x
  2. Step 2: Convert to fraction form
    866,760.89/1,298,960.35 = 417,449.03/x
  3. Step 3: Cross multiply
    866,760.89x = 1,298,960.35 × 417,449.03
  4. Step 4: Simplify right side
    866,760.89x = 542,249,730,577.54
  5. Step 5: Solve for x
    x = 542,249,730,577.54/866,760.89
  6. Step 6: Final answer
    x = 625,604.75

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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.