Home / 426,822.62-588,330.95-288,958.05

Finding the Fourth Proportional to 426,822.62, 588,330.95 and 288,958.05

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Solution

The fourth proportional to 426,822.62, 588,330.95 and 288,958.05 is: 398,298.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,822.62 : 588,330.95 = 288,958.05 : x
  2. Step 2: Convert to fraction form
    426,822.62/588,330.95 = 288,958.05/x
  3. Step 3: Cross multiply
    426,822.62x = 588,330.95 × 288,958.05
  4. Step 4: Simplify right side
    426,822.62x = 170,002,962,621.86
  5. Step 5: Solve for x
    x = 170,002,962,621.86/426,822.62
  6. Step 6: Final answer
    x = 398,298.86

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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.