Home / 719,721.99-1,079,584.27-187,242.17

Finding the Fourth Proportional to 719,721.99, 1,079,584.27 and 187,242.17

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Solution

The fourth proportional to 719,721.99, 1,079,584.27 and 187,242.17 is: 280,863.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,721.99 : 1,079,584.27 = 187,242.17 : x
  2. Step 2: Convert to fraction form
    719,721.99/1,079,584.27 = 187,242.17/x
  3. Step 3: Cross multiply
    719,721.99x = 1,079,584.27 × 187,242.17
  4. Step 4: Simplify right side
    719,721.99x = 202,143,695,546.64
  5. Step 5: Solve for x
    x = 202,143,695,546.64/719,721.99
  6. Step 6: Final answer
    x = 280,863.58

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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.