Home / 558,835.20-838,252.80-203,731.20

Finding the Fourth Proportional to 558,835.20, 838,252.80 and 203,731.20

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Solution

The fourth proportional to 558,835.20, 838,252.80 and 203,731.20 is: 305,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,835.20 : 838,252.80 = 203,731.20 : x
  2. Step 2: Convert to fraction form
    558,835.20/838,252.80 = 203,731.20/x
  3. Step 3: Cross multiply
    558,835.20x = 838,252.80 × 203,731.20
  4. Step 4: Simplify right side
    558,835.20x = 170,778,248,847.36
  5. Step 5: Solve for x
    x = 170,778,248,847.36/558,835.20
  6. Step 6: Final answer
    x = 305,596.80

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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.