Home / 825,875.20-1,238,812.80-293,996.80

Finding the Fourth Proportional to 825,875.20, 1,238,812.80 and 293,996.80

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Solution

The fourth proportional to 825,875.20, 1,238,812.80 and 293,996.80 is: 440,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,875.20 : 1,238,812.80 = 293,996.80 : x
  2. Step 2: Convert to fraction form
    825,875.20/1,238,812.80 = 293,996.80/x
  3. Step 3: Cross multiply
    825,875.20x = 1,238,812.80 × 293,996.80
  4. Step 4: Simplify right side
    825,875.20x = 364,206,998,999.04
  5. Step 5: Solve for x
    x = 364,206,998,999.04/825,875.20
  6. Step 6: Final answer
    x = 440,995.20

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Similar ratio
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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.