Home / 571,610.38-788,765.46-329,970.80

Finding the Fourth Proportional to 571,610.38, 788,765.46 and 329,970.80

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Solution

The fourth proportional to 571,610.38, 788,765.46 and 329,970.80 is: 455,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,610.38 : 788,765.46 = 329,970.80 : x
  2. Step 2: Convert to fraction form
    571,610.38/788,765.46 = 329,970.80/x
  3. Step 3: Cross multiply
    571,610.38x = 788,765.46 × 329,970.80
  4. Step 4: Simplify right side
    571,610.38x = 260,269,565,286.05
  5. Step 5: Solve for x
    x = 260,269,565,286.05/571,610.38
  6. Step 6: Final answer
    x = 455,326.87

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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.