Home / 808,836.20-1,213,254.30-247,797.80

Finding the Fourth Proportional to 808,836.20, 1,213,254.30 and 247,797.80

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Solution

The fourth proportional to 808,836.20, 1,213,254.30 and 247,797.80 is: 371,696.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,836.20 : 1,213,254.30 = 247,797.80 : x
  2. Step 2: Convert to fraction form
    808,836.20/1,213,254.30 = 247,797.80/x
  3. Step 3: Cross multiply
    808,836.20x = 1,213,254.30 × 247,797.80
  4. Step 4: Simplify right side
    808,836.20x = 300,641,746,380.54
  5. Step 5: Solve for x
    x = 300,641,746,380.54/808,836.20
  6. Step 6: Final answer
    x = 371,696.70

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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.