Home / 558,873.20-838,309.80-203,769.20

Finding the Fourth Proportional to 558,873.20, 838,309.80 and 203,769.20

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Solution

The fourth proportional to 558,873.20, 838,309.80 and 203,769.20 is: 305,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,873.20 : 838,309.80 = 203,769.20 : x
  2. Step 2: Convert to fraction form
    558,873.20/838,309.80 = 203,769.20/x
  3. Step 3: Cross multiply
    558,873.20x = 838,309.80 × 203,769.20
  4. Step 4: Simplify right side
    558,873.20x = 170,821,717,298.16
  5. Step 5: Solve for x
    x = 170,821,717,298.16/558,873.20
  6. Step 6: Final answer
    x = 305,653.80

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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.