Home / 828,008.80-1,242,013.20-694,164.40

Finding the Fourth Proportional to 828,008.80, 1,242,013.20 and 694,164.40

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Solution

The fourth proportional to 828,008.80, 1,242,013.20 and 694,164.40 is: 1,041,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,008.80 : 1,242,013.20 = 694,164.40 : x
  2. Step 2: Convert to fraction form
    828,008.80/1,242,013.20 = 694,164.40/x
  3. Step 3: Cross multiply
    828,008.80x = 1,242,013.20 × 694,164.40
  4. Step 4: Simplify right side
    828,008.80x = 862,161,347,770.08
  5. Step 5: Solve for x
    x = 862,161,347,770.08/828,008.80
  6. Step 6: Final answer
    x = 1,041,246.60

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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.