Home / 382,423.82-527,748.28-207,995.58

Finding the Fourth Proportional to 382,423.82, 527,748.28 and 207,995.58

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Solution

The fourth proportional to 382,423.82, 527,748.28 and 207,995.58 is: 287,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,423.82 : 527,748.28 = 207,995.58 : x
  2. Step 2: Convert to fraction form
    382,423.82/527,748.28 = 207,995.58/x
  3. Step 3: Cross multiply
    382,423.82x = 527,748.28 × 207,995.58
  4. Step 4: Simplify right side
    382,423.82x = 109,769,309,072.61
  5. Step 5: Solve for x
    x = 109,769,309,072.61/382,423.82
  6. Step 6: Final answer
    x = 287,035.76

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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.