Home / 598,364.20-897,983.70-421,217.20

Finding the Fourth Proportional to 598,364.20, 897,983.70 and 421,217.20

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Solution

The fourth proportional to 598,364.20, 897,983.70 and 421,217.20 is: 632,133.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,364.20 : 897,983.70 = 421,217.20 : x
  2. Step 2: Convert to fraction form
    598,364.20/897,983.70 = 421,217.20/x
  3. Step 3: Cross multiply
    598,364.20x = 897,983.70 × 421,217.20
  4. Step 4: Simplify right side
    598,364.20x = 378,246,179,759.64
  5. Step 5: Solve for x
    x = 378,246,179,759.64/598,364.20
  6. Step 6: Final answer
    x = 632,133.71

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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.