Home / 719,711.16-1,079,568.11-187,231.33

Finding the Fourth Proportional to 719,711.16, 1,079,568.11 and 187,231.33

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Solution

The fourth proportional to 719,711.16, 1,079,568.11 and 187,231.33 is: 280,847.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,711.16 : 1,079,568.11 = 187,231.33 : x
  2. Step 2: Convert to fraction form
    719,711.16/1,079,568.11 = 187,231.33/x
  3. Step 3: Cross multiply
    719,711.16x = 1,079,568.11 × 187,231.33
  4. Step 4: Simplify right side
    719,711.16x = 202,128,973,060.89
  5. Step 5: Solve for x
    x = 202,128,973,060.89/719,711.16
  6. Step 6: Final answer
    x = 280,847.35

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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.