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Finding the Fourth Proportional to 501,859.62, 692,476.92 and 284,067.24

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Solution

The fourth proportional to 501,859.62, 692,476.92 and 284,067.24 is: 391,962.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,859.62 : 692,476.92 = 284,067.24 : x
  2. Step 2: Convert to fraction form
    501,859.62/692,476.92 = 284,067.24/x
  3. Step 3: Cross multiply
    501,859.62x = 692,476.92 × 284,067.24
  4. Step 4: Simplify right side
    501,859.62x = 196,710,007,428.10
  5. Step 5: Solve for x
    x = 196,710,007,428.10/501,859.62
  6. Step 6: Final answer
    x = 391,962.21

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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.