Home / 719,433.28-1,079,149.20-213,992.16

Finding the Fourth Proportional to 719,433.28, 1,079,149.20 and 213,992.16

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Solution

The fourth proportional to 719,433.28, 1,079,149.20 and 213,992.16 is: 320,988.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,433.28 : 1,079,149.20 = 213,992.16 : x
  2. Step 2: Convert to fraction form
    719,433.28/1,079,149.20 = 213,992.16/x
  3. Step 3: Cross multiply
    719,433.28x = 1,079,149.20 × 213,992.16
  4. Step 4: Simplify right side
    719,433.28x = 230,929,468,270.27
  5. Step 5: Solve for x
    x = 230,929,468,270.27/719,433.28
  6. Step 6: Final answer
    x = 320,988.03

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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.