Home / 670,045.33-1,005,191.12-220,792.69

Finding the Fourth Proportional to 670,045.33, 1,005,191.12 and 220,792.69

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Solution

The fourth proportional to 670,045.33, 1,005,191.12 and 220,792.69 is: 331,229.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,045.33 : 1,005,191.12 = 220,792.69 : x
  2. Step 2: Convert to fraction form
    670,045.33/1,005,191.12 = 220,792.69/x
  3. Step 3: Cross multiply
    670,045.33x = 1,005,191.12 × 220,792.69
  4. Step 4: Simplify right side
    670,045.33x = 221,938,851,348.91
  5. Step 5: Solve for x
    x = 221,938,851,348.91/670,045.33
  6. Step 6: Final answer
    x = 331,229.61

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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.