Home / 670,819.49-1,006,015.76-221,456.69

Finding the Fourth Proportional to 670,819.49, 1,006,015.76 and 221,456.69

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Solution

The fourth proportional to 670,819.49, 1,006,015.76 and 221,456.69 is: 332,114.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,819.49 : 1,006,015.76 = 221,456.69 : x
  2. Step 2: Convert to fraction form
    670,819.49/1,006,015.76 = 221,456.69/x
  3. Step 3: Cross multiply
    670,819.49x = 1,006,015.76 × 221,456.69
  4. Step 4: Simplify right side
    670,819.49x = 222,788,919,190.15
  5. Step 5: Solve for x
    x = 222,788,919,190.15/670,819.49
  6. Step 6: Final answer
    x = 332,114.56

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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.