Home / 355,577.20-491,092.62-328,673.02

Finding the Fourth Proportional to 355,577.20, 491,092.62 and 328,673.02

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Solution

The fourth proportional to 355,577.20, 491,092.62 and 328,673.02 is: 453,934.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,577.20 : 491,092.62 = 328,673.02 : x
  2. Step 2: Convert to fraction form
    355,577.20/491,092.62 = 328,673.02/x
  3. Step 3: Cross multiply
    355,577.20x = 491,092.62 × 328,673.02
  4. Step 4: Simplify right side
    355,577.20x = 161,408,894,515.11
  5. Step 5: Solve for x
    x = 161,408,894,515.11/355,577.20
  6. Step 6: Final answer
    x = 453,934.88

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