Home / 558,724.20-838,086.30-203,749.80

Finding the Fourth Proportional to 558,724.20, 838,086.30 and 203,749.80

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Solution

The fourth proportional to 558,724.20, 838,086.30 and 203,749.80 is: 305,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,724.20 : 838,086.30 = 203,749.80 : x
  2. Step 2: Convert to fraction form
    558,724.20/838,086.30 = 203,749.80/x
  3. Step 3: Cross multiply
    558,724.20x = 838,086.30 × 203,749.80
  4. Step 4: Simplify right side
    558,724.20x = 170,759,916,007.74
  5. Step 5: Solve for x
    x = 170,759,916,007.74/558,724.20
  6. Step 6: Final answer
    x = 305,624.70

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Similar ratio
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1.5x scale

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.