Home / 671,422.62-1,006,879.05-222,008.70

Finding the Fourth Proportional to 671,422.62, 1,006,879.05 and 222,008.70

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Solution

The fourth proportional to 671,422.62, 1,006,879.05 and 222,008.70 is: 332,928.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,422.62 : 1,006,879.05 = 222,008.70 : x
  2. Step 2: Convert to fraction form
    671,422.62/1,006,879.05 = 222,008.70/x
  3. Step 3: Cross multiply
    671,422.62x = 1,006,879.05 × 222,008.70
  4. Step 4: Simplify right side
    671,422.62x = 223,535,908,947.74
  5. Step 5: Solve for x
    x = 223,535,908,947.74/671,422.62
  6. Step 6: Final answer
    x = 332,928.77

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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.