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Finding the Fourth Proportional to 598,673.84, 826,172.36 and 326,747.48

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Solution

The fourth proportional to 598,673.84, 826,172.36 and 326,747.48 is: 450,912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,673.84 : 826,172.36 = 326,747.48 : x
  2. Step 2: Convert to fraction form
    598,673.84/826,172.36 = 326,747.48/x
  3. Step 3: Cross multiply
    598,673.84x = 826,172.36 × 326,747.48
  4. Step 4: Simplify right side
    598,673.84x = 269,949,736,675.65
  5. Step 5: Solve for x
    x = 269,949,736,675.65/598,673.84
  6. Step 6: Final answer
    x = 450,912.87

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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.