Home / 589,243.31-813,095.17-331,079.23

Finding the Fourth Proportional to 589,243.31, 813,095.17 and 331,079.23

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Solution

The fourth proportional to 589,243.31, 813,095.17 and 331,079.23 is: 456,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,243.31 : 813,095.17 = 331,079.23 : x
  2. Step 2: Convert to fraction form
    589,243.31/813,095.17 = 331,079.23/x
  3. Step 3: Cross multiply
    589,243.31x = 813,095.17 × 331,079.23
  4. Step 4: Simplify right side
    589,243.31x = 269,198,921,144.92
  5. Step 5: Solve for x
    x = 269,198,921,144.92/589,243.31
  6. Step 6: Final answer
    x = 456,855.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.