Home / 886,490.56-1,329,735.78-221,642.56

Finding the Fourth Proportional to 886,490.56, 1,329,735.78 and 221,642.56

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Solution

The fourth proportional to 886,490.56, 1,329,735.78 and 221,642.56 is: 332,463.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,490.56 : 1,329,735.78 = 221,642.56 : x
  2. Step 2: Convert to fraction form
    886,490.56/1,329,735.78 = 221,642.56/x
  3. Step 3: Cross multiply
    886,490.56x = 1,329,735.78 × 221,642.56
  4. Step 4: Simplify right side
    886,490.56x = 294,726,042,402.80
  5. Step 5: Solve for x
    x = 294,726,042,402.80/886,490.56
  6. Step 6: Final answer
    x = 332,463.82

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Double scale
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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.