Home / 719,516.47-1,079,086.65-213,941.29

Finding the Fourth Proportional to 719,516.47, 1,079,086.65 and 213,941.29

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Solution

The fourth proportional to 719,516.47, 1,079,086.65 and 213,941.29 is: 320,856.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,516.47 : 1,079,086.65 = 213,941.29 : x
  2. Step 2: Convert to fraction form
    719,516.47/1,079,086.65 = 213,941.29/x
  3. Step 3: Cross multiply
    719,516.47x = 1,079,086.65 × 213,941.29
  4. Step 4: Simplify right side
    719,516.47x = 230,861,189,922.78
  5. Step 5: Solve for x
    x = 230,861,189,922.78/719,516.47
  6. Step 6: Final answer
    x = 320,856.02

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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.