Home / 571,616.20-788,773.50-329,976.61

Finding the Fourth Proportional to 571,616.20, 788,773.50 and 329,976.61

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Solution

The fourth proportional to 571,616.20, 788,773.50 and 329,976.61 is: 455,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,616.20 : 788,773.50 = 329,976.61 : x
  2. Step 2: Convert to fraction form
    571,616.20/788,773.50 = 329,976.61/x
  3. Step 3: Cross multiply
    571,616.20x = 788,773.50 × 329,976.61
  4. Step 4: Simplify right side
    571,616.20x = 260,276,805,587.84
  5. Step 5: Solve for x
    x = 260,276,805,587.84/571,616.20
  6. Step 6: Final answer
    x = 455,334.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.