Home / 719,722.32-1,079,584.92-187,242.48

Finding the Fourth Proportional to 719,722.32, 1,079,584.92 and 187,242.48

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Solution

The fourth proportional to 719,722.32, 1,079,584.92 and 187,242.48 is: 280,864.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,722.32 : 1,079,584.92 = 187,242.48 : x
  2. Step 2: Convert to fraction form
    719,722.32/1,079,584.92 = 187,242.48/x
  3. Step 3: Cross multiply
    719,722.32x = 1,079,584.92 × 187,242.48
  4. Step 4: Simplify right side
    719,722.32x = 202,144,157,791.40
  5. Step 5: Solve for x
    x = 202,144,157,791.40/719,722.32
  6. Step 6: Final answer
    x = 280,864.09

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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.