Home / 495,208.26-740,629.17-431,096.36

Finding the Fourth Proportional to 495,208.26, 740,629.17 and 431,096.36

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Solution

The fourth proportional to 495,208.26, 740,629.17 and 431,096.36 is: 644,743.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,208.26 : 740,629.17 = 431,096.36 : x
  2. Step 2: Convert to fraction form
    495,208.26/740,629.17 = 431,096.36/x
  3. Step 3: Cross multiply
    495,208.26x = 740,629.17 × 431,096.36
  4. Step 4: Simplify right side
    495,208.26x = 319,282,535,593.68
  5. Step 5: Solve for x
    x = 319,282,535,593.68/495,208.26
  6. Step 6: Final answer
    x = 644,743.96

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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.