Home / 714,400.88-1,071,601.34-215,764.88

Finding the Fourth Proportional to 714,400.88, 1,071,601.34 and 215,764.88

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Solution

The fourth proportional to 714,400.88, 1,071,601.34 and 215,764.88 is: 323,647.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,400.88 : 1,071,601.34 = 215,764.88 : x
  2. Step 2: Convert to fraction form
    714,400.88/1,071,601.34 = 215,764.88/x
  3. Step 3: Cross multiply
    714,400.88x = 1,071,601.34 × 215,764.88
  4. Step 4: Simplify right side
    714,400.88x = 231,213,928,096.11
  5. Step 5: Solve for x
    x = 231,213,928,096.11/714,400.88
  6. Step 6: Final answer
    x = 323,647.32

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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.