Home / 579,019.50-867,568.92-409,700.58

Finding the Fourth Proportional to 579,019.50, 867,568.92 and 409,700.58

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Solution

The fourth proportional to 579,019.50, 867,568.92 and 409,700.58 is: 613,871.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,019.50 : 867,568.92 = 409,700.58 : x
  2. Step 2: Convert to fraction form
    579,019.50/867,568.92 = 409,700.58/x
  3. Step 3: Cross multiply
    579,019.50x = 867,568.92 × 409,700.58
  4. Step 4: Simplify right side
    579,019.50x = 355,443,489,713.97
  5. Step 5: Solve for x
    x = 355,443,489,713.97/579,019.50
  6. Step 6: Final answer
    x = 613,871.36

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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.