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Finding the Fourth Proportional to 495,791.28, 683,998.80 and 367,037.94

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Solution

The fourth proportional to 495,791.28, 683,998.80 and 367,037.94 is: 506,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,791.28 : 683,998.80 = 367,037.94 : x
  2. Step 2: Convert to fraction form
    495,791.28/683,998.80 = 367,037.94/x
  3. Step 3: Cross multiply
    495,791.28x = 683,998.80 × 367,037.94
  4. Step 4: Simplify right side
    495,791.28x = 251,053,510,514.47
  5. Step 5: Solve for x
    x = 251,053,510,514.47/495,791.28
  6. Step 6: Final answer
    x = 506,369.35

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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.