Home / 498,294.08-687,636.24-271,941.20

Finding the Fourth Proportional to 498,294.08, 687,636.24 and 271,941.20

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Solution

The fourth proportional to 498,294.08, 687,636.24 and 271,941.20 is: 375,273.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,294.08 : 687,636.24 = 271,941.20 : x
  2. Step 2: Convert to fraction form
    498,294.08/687,636.24 = 271,941.20/x
  3. Step 3: Cross multiply
    498,294.08x = 687,636.24 × 271,941.20
  4. Step 4: Simplify right side
    498,294.08x = 186,996,624,269.09
  5. Step 5: Solve for x
    x = 186,996,624,269.09/498,294.08
  6. Step 6: Final answer
    x = 375,273.62

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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.