Home / 676,897.68-1,015,008.42-221,429.46

Finding the Fourth Proportional to 676,897.68, 1,015,008.42 and 221,429.46

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Solution

The fourth proportional to 676,897.68, 1,015,008.42 and 221,429.46 is: 332,033.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,897.68 : 1,015,008.42 = 221,429.46 : x
  2. Step 2: Convert to fraction form
    676,897.68/1,015,008.42 = 221,429.46/x
  3. Step 3: Cross multiply
    676,897.68x = 1,015,008.42 × 221,429.46
  4. Step 4: Simplify right side
    676,897.68x = 224,752,766,336.05
  5. Step 5: Solve for x
    x = 224,752,766,336.05/676,897.68
  6. Step 6: Final answer
    x = 332,033.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.