Home / 589,834.43-813,888.19-331,675.48

Finding the Fourth Proportional to 589,834.43, 813,888.19 and 331,675.48

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Solution

The fourth proportional to 589,834.43, 813,888.19 and 331,675.48 is: 457,665.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,834.43 : 813,888.19 = 331,675.48 : x
  2. Step 2: Convert to fraction form
    589,834.43/813,888.19 = 331,675.48/x
  3. Step 3: Cross multiply
    589,834.43x = 813,888.19 × 331,675.48
  4. Step 4: Simplify right side
    589,834.43x = 269,946,756,084.58
  5. Step 5: Solve for x
    x = 269,946,756,084.58/589,834.43
  6. Step 6: Final answer
    x = 457,665.31

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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.