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Finding the Fourth Proportional to 495,127.96, 741,728.28 and 365,059.89

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Solution

The fourth proportional to 495,127.96, 741,728.28 and 365,059.89 is: 546,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,127.96 : 741,728.28 = 365,059.89 : x
  2. Step 2: Convert to fraction form
    495,127.96/741,728.28 = 365,059.89/x
  3. Step 3: Cross multiply
    495,127.96x = 741,728.28 × 365,059.89
  4. Step 4: Simplify right side
    495,127.96x = 270,775,244,306.69
  5. Step 5: Solve for x
    x = 270,775,244,306.69/495,127.96
  6. Step 6: Final answer
    x = 546,879.32

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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.