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Finding the Fourth Proportional to 502,596.78, 693,588.14 and 273,154.65

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Solution

The fourth proportional to 502,596.78, 693,588.14 and 273,154.65 is: 376,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,596.78 : 693,588.14 = 273,154.65 : x
  2. Step 2: Convert to fraction form
    502,596.78/693,588.14 = 273,154.65/x
  3. Step 3: Cross multiply
    502,596.78x = 693,588.14 × 273,154.65
  4. Step 4: Simplify right side
    502,596.78x = 189,456,825,625.85
  5. Step 5: Solve for x
    x = 189,456,825,625.85/502,596.78
  6. Step 6: Final answer
    x = 376,955.91

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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.