Home / 564,699.97-847,073.04-143,986.78

Finding the Fourth Proportional to 564,699.97, 847,073.04 and 143,986.78

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Solution

The fourth proportional to 564,699.97, 847,073.04 and 143,986.78 is: 215,986.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,699.97 : 847,073.04 = 143,986.78 : x
  2. Step 2: Convert to fraction form
    564,699.97/847,073.04 = 143,986.78/x
  3. Step 3: Cross multiply
    564,699.97x = 847,073.04 × 143,986.78
  4. Step 4: Simplify right side
    564,699.97x = 121,967,319,454.41
  5. Step 5: Solve for x
    x = 121,967,319,454.41/564,699.97
  6. Step 6: Final answer
    x = 215,986.06

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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.