Home / 827,799.20-1,241,698.80-266,890.40

Finding the Fourth Proportional to 827,799.20, 1,241,698.80 and 266,890.40

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Solution

The fourth proportional to 827,799.20, 1,241,698.80 and 266,890.40 is: 400,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,799.20 : 1,241,698.80 = 266,890.40 : x
  2. Step 2: Convert to fraction form
    827,799.20/1,241,698.80 = 266,890.40/x
  3. Step 3: Cross multiply
    827,799.20x = 1,241,698.80 × 266,890.40
  4. Step 4: Simplify right side
    827,799.20x = 331,397,489,411.52
  5. Step 5: Solve for x
    x = 331,397,489,411.52/827,799.20
  6. Step 6: Final answer
    x = 400,335.60

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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.