Home / 495,172.27-683,340.54-291,231.79

Finding the Fourth Proportional to 495,172.27, 683,340.54 and 291,231.79

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Solution

The fourth proportional to 495,172.27, 683,340.54 and 291,231.79 is: 401,901.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,172.27 : 683,340.54 = 291,231.79 : x
  2. Step 2: Convert to fraction form
    495,172.27/683,340.54 = 291,231.79/x
  3. Step 3: Cross multiply
    495,172.27x = 683,340.54 × 291,231.79
  4. Step 4: Simplify right side
    495,172.27x = 199,010,485,843.30
  5. Step 5: Solve for x
    x = 199,010,485,843.30/495,172.27
  6. Step 6: Final answer
    x = 401,901.51

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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.