Home / 839,835.96-1,259,008.02-327,382.98

Finding the Fourth Proportional to 839,835.96, 1,259,008.02 and 327,382.98

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Solution

The fourth proportional to 839,835.96, 1,259,008.02 and 327,382.98 is: 490,783.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,835.96 : 1,259,008.02 = 327,382.98 : x
  2. Step 2: Convert to fraction form
    839,835.96/1,259,008.02 = 327,382.98/x
  3. Step 3: Cross multiply
    839,835.96x = 1,259,008.02 × 327,382.98
  4. Step 4: Simplify right side
    839,835.96x = 412,177,797,431.50
  5. Step 5: Solve for x
    x = 412,177,797,431.50/839,835.96
  6. Step 6: Final answer
    x = 490,783.70

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Double scale
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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.