Home / 558,906.90-838,579.05-203,956.80

Finding the Fourth Proportional to 558,906.90, 838,579.05 and 203,956.80

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Solution

The fourth proportional to 558,906.90, 838,579.05 and 203,956.80 is: 306,015.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,906.90 : 838,579.05 = 203,956.80 : x
  2. Step 2: Convert to fraction form
    558,906.90/838,579.05 = 203,956.80/x
  3. Step 3: Cross multiply
    558,906.90x = 838,579.05 × 203,956.80
  4. Step 4: Simplify right side
    558,906.90x = 171,033,899,585.04
  5. Step 5: Solve for x
    x = 171,033,899,585.04/558,906.90
  6. Step 6: Final answer
    x = 306,015.01

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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.