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Finding the Fourth Proportional to 637,344, 879,593.28 and 350,922.24

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Solution

The fourth proportional to 637,344, 879,593.28 and 350,922.24 is: 484,304.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,344 : 879,593.28 = 350,922.24 : x
  2. Step 2: Convert to fraction form
    637,344/879,593.28 = 350,922.24/x
  3. Step 3: Cross multiply
    637,344x = 879,593.28 × 350,922.24
  4. Step 4: Simplify right side
    637,344x = 308,668,844,106.55
  5. Step 5: Solve for x
    x = 308,668,844,106.55/637,344
  6. Step 6: Final answer
    x = 484,304.93

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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.