Home / 886,478.50-1,329,717.75-221,630.50

Finding the Fourth Proportional to 886,478.50, 1,329,717.75 and 221,630.50

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Solution

The fourth proportional to 886,478.50, 1,329,717.75 and 221,630.50 is: 332,445.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,478.50 : 1,329,717.75 = 221,630.50 : x
  2. Step 2: Convert to fraction form
    886,478.50/1,329,717.75 = 221,630.50/x
  3. Step 3: Cross multiply
    886,478.50x = 1,329,717.75 × 221,630.50
  4. Step 4: Simplify right side
    886,478.50x = 294,706,009,791.38
  5. Step 5: Solve for x
    x = 294,706,009,791.38/886,478.50
  6. Step 6: Final answer
    x = 332,445.75

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Similar ratio
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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.