Home / 398,727.96-595,550.18-360,718.86

Finding the Fourth Proportional to 398,727.96, 595,550.18 and 360,718.86

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Solution

The fourth proportional to 398,727.96, 595,550.18 and 360,718.86 is: 538,778.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,727.96 : 595,550.18 = 360,718.86 : x
  2. Step 2: Convert to fraction form
    398,727.96/595,550.18 = 360,718.86/x
  3. Step 3: Cross multiply
    398,727.96x = 595,550.18 × 360,718.86
  4. Step 4: Simplify right side
    398,727.96x = 214,826,180,198.80
  5. Step 5: Solve for x
    x = 214,826,180,198.80/398,727.96
  6. Step 6: Final answer
    x = 538,778.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.