Home / 758,593.79-1,137,966.80-218,863.43

Finding the Fourth Proportional to 758,593.79, 1,137,966.80 and 218,863.43

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Solution

The fourth proportional to 758,593.79, 1,137,966.80 and 218,863.43 is: 328,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,593.79 : 1,137,966.80 = 218,863.43 : x
  2. Step 2: Convert to fraction form
    758,593.79/1,137,966.80 = 218,863.43/x
  3. Step 3: Cross multiply
    758,593.79x = 1,137,966.80 × 218,863.43
  4. Step 4: Simplify right side
    758,593.79x = 249,059,310,289.97
  5. Step 5: Solve for x
    x = 249,059,310,289.97/758,593.79
  6. Step 6: Final answer
    x = 328,317.10

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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.