Home / 489,077.20-733,615.80-173,493.10

Finding the Fourth Proportional to 489,077.20, 733,615.80 and 173,493.10

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Solution

The fourth proportional to 489,077.20, 733,615.80 and 173,493.10 is: 260,239.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,077.20 : 733,615.80 = 173,493.10 : x
  2. Step 2: Convert to fraction form
    489,077.20/733,615.80 = 173,493.10/x
  3. Step 3: Cross multiply
    489,077.20x = 733,615.80 × 173,493.10
  4. Step 4: Simplify right side
    489,077.20x = 127,277,279,350.98
  5. Step 5: Solve for x
    x = 127,277,279,350.98/489,077.20
  6. Step 6: Final answer
    x = 260,239.65

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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.