Home / 579,019.52-867,568.91-409,700.58

Finding the Fourth Proportional to 579,019.52, 867,568.91 and 409,700.58

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Solution

The fourth proportional to 579,019.52, 867,568.91 and 409,700.58 is: 613,871.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,019.52 : 867,568.91 = 409,700.58 : x
  2. Step 2: Convert to fraction form
    579,019.52/867,568.91 = 409,700.58/x
  3. Step 3: Cross multiply
    579,019.52x = 867,568.91 × 409,700.58
  4. Step 4: Simplify right side
    579,019.52x = 355,443,483,568.47
  5. Step 5: Solve for x
    x = 355,443,483,568.47/579,019.52
  6. Step 6: Final answer
    x = 613,871.34

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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.