Home / 670,891.95-1,006,046.33-221,439.15

Finding the Fourth Proportional to 670,891.95, 1,006,046.33 and 221,439.15

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Solution

The fourth proportional to 670,891.95, 1,006,046.33 and 221,439.15 is: 332,062.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,891.95 : 1,006,046.33 = 221,439.15 : x
  2. Step 2: Convert to fraction form
    670,891.95/1,006,046.33 = 221,439.15/x
  3. Step 3: Cross multiply
    670,891.95x = 1,006,046.33 × 221,439.15
  4. Step 4: Simplify right side
    670,891.95x = 222,778,043,068.62
  5. Step 5: Solve for x
    x = 222,778,043,068.62/670,891.95
  6. Step 6: Final answer
    x = 332,062.48

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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.