Home / 862,042.94-1,291,723.27-329,273.18

Finding the Fourth Proportional to 862,042.94, 1,291,723.27 and 329,273.18

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Solution

The fourth proportional to 862,042.94, 1,291,723.27 and 329,273.18 is: 493,397.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,042.94 : 1,291,723.27 = 329,273.18 : x
  2. Step 2: Convert to fraction form
    862,042.94/1,291,723.27 = 329,273.18/x
  3. Step 3: Cross multiply
    862,042.94x = 1,291,723.27 × 329,273.18
  4. Step 4: Simplify right side
    862,042.94x = 425,329,828,792.90
  5. Step 5: Solve for x
    x = 425,329,828,792.90/862,042.94
  6. Step 6: Final answer
    x = 493,397.50

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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.