Home / 479,324.60-718,986.90-163,734.20

Finding the Fourth Proportional to 479,324.60, 718,986.90 and 163,734.20

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Solution

The fourth proportional to 479,324.60, 718,986.90 and 163,734.20 is: 245,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,324.60 : 718,986.90 = 163,734.20 : x
  2. Step 2: Convert to fraction form
    479,324.60/718,986.90 = 163,734.20/x
  3. Step 3: Cross multiply
    479,324.60x = 718,986.90 × 163,734.20
  4. Step 4: Simplify right side
    479,324.60x = 117,722,744,881.98
  5. Step 5: Solve for x
    x = 117,722,744,881.98/479,324.60
  6. Step 6: Final answer
    x = 245,601.30

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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.