Home / 558,149.89-837,646.17-408,777.44

Finding the Fourth Proportional to 558,149.89, 837,646.17 and 408,777.44

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Solution

The fourth proportional to 558,149.89, 837,646.17 and 408,777.44 is: 613,474.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,149.89 : 837,646.17 = 408,777.44 : x
  2. Step 2: Convert to fraction form
    558,149.89/837,646.17 = 408,777.44/x
  3. Step 3: Cross multiply
    558,149.89x = 837,646.17 × 408,777.44
  4. Step 4: Simplify right side
    558,149.89x = 342,410,854,954.52
  5. Step 5: Solve for x
    x = 342,410,854,954.52/558,149.89
  6. Step 6: Final answer
    x = 613,474.74

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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.