Home / 719,723.74-1,079,586.89-187,243.92

Finding the Fourth Proportional to 719,723.74, 1,079,586.89 and 187,243.92

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Solution

The fourth proportional to 719,723.74, 1,079,586.89 and 187,243.92 is: 280,866.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,723.74 : 1,079,586.89 = 187,243.92 : x
  2. Step 2: Convert to fraction form
    719,723.74/1,079,586.89 = 187,243.92/x
  3. Step 3: Cross multiply
    719,723.74x = 1,079,586.89 × 187,243.92
  4. Step 4: Simplify right side
    719,723.74x = 202,146,081,264.21
  5. Step 5: Solve for x
    x = 202,146,081,264.21/719,723.74
  6. Step 6: Final answer
    x = 280,866.21

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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.