Home / 615,933.08-925,539.85-331,841.78

Finding the Fourth Proportional to 615,933.08, 925,539.85 and 331,841.78

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Solution

The fourth proportional to 615,933.08, 925,539.85 and 331,841.78 is: 498,646.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,933.08 : 925,539.85 = 331,841.78 : x
  2. Step 2: Convert to fraction form
    615,933.08/925,539.85 = 331,841.78/x
  3. Step 3: Cross multiply
    615,933.08x = 925,539.85 × 331,841.78
  4. Step 4: Simplify right side
    615,933.08x = 307,132,790,542.81
  5. Step 5: Solve for x
    x = 307,132,790,542.81/615,933.08
  6. Step 6: Final answer
    x = 498,646.36

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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.