Home / 558,820.20-838,355.36-203,834.28

Finding the Fourth Proportional to 558,820.20, 838,355.36 and 203,834.28

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Solution

The fourth proportional to 558,820.20, 838,355.36 and 203,834.28 is: 305,797.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,820.20 : 838,355.36 = 203,834.28 : x
  2. Step 2: Convert to fraction form
    558,820.20/838,355.36 = 203,834.28/x
  3. Step 3: Cross multiply
    558,820.20x = 838,355.36 × 203,834.28
  4. Step 4: Simplify right side
    558,820.20x = 170,885,561,189.74
  5. Step 5: Solve for x
    x = 170,885,561,189.74/558,820.20
  6. Step 6: Final answer
    x = 305,797.04

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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.