Home / 443,819.14-611,988.75-282,467.75

Finding the Fourth Proportional to 443,819.14, 611,988.75 and 282,467.75

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Solution

The fourth proportional to 443,819.14, 611,988.75 and 282,467.75 is: 389,498.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,819.14 : 611,988.75 = 282,467.75 : x
  2. Step 2: Convert to fraction form
    443,819.14/611,988.75 = 282,467.75/x
  3. Step 3: Cross multiply
    443,819.14x = 611,988.75 × 282,467.75
  4. Step 4: Simplify right side
    443,819.14x = 172,867,082,177.87
  5. Step 5: Solve for x
    x = 172,867,082,177.87/443,819.14
  6. Step 6: Final answer
    x = 389,498.94

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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.