Home / 670,882.33-1,006,422.99-221,650.66

Finding the Fourth Proportional to 670,882.33, 1,006,422.99 and 221,650.66

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Solution

The fourth proportional to 670,882.33, 1,006,422.99 and 221,650.66 is: 332,508.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,882.33 : 1,006,422.99 = 221,650.66 : x
  2. Step 2: Convert to fraction form
    670,882.33/1,006,422.99 = 221,650.66/x
  3. Step 3: Cross multiply
    670,882.33x = 1,006,422.99 × 221,650.66
  4. Step 4: Simplify right side
    670,882.33x = 223,074,319,972.67
  5. Step 5: Solve for x
    x = 223,074,319,972.67/670,882.33
  6. Step 6: Final answer
    x = 332,508.86

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1.5x scale

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.