Home / 808,982.30-1,213,473.45-247,943.90

Finding the Fourth Proportional to 808,982.30, 1,213,473.45 and 247,943.90

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Solution

The fourth proportional to 808,982.30, 1,213,473.45 and 247,943.90 is: 371,915.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,982.30 : 1,213,473.45 = 247,943.90 : x
  2. Step 2: Convert to fraction form
    808,982.30/1,213,473.45 = 247,943.90/x
  3. Step 3: Cross multiply
    808,982.30x = 1,213,473.45 × 247,943.90
  4. Step 4: Simplify right side
    808,982.30x = 300,873,339,739.46
  5. Step 5: Solve for x
    x = 300,873,339,739.46/808,982.30
  6. Step 6: Final answer
    x = 371,915.85

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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.