Home / 847,229.20-1,270,843.80-314,694.70

Finding the Fourth Proportional to 847,229.20, 1,270,843.80 and 314,694.70

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Solution

The fourth proportional to 847,229.20, 1,270,843.80 and 314,694.70 is: 472,042.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,229.20 : 1,270,843.80 = 314,694.70 : x
  2. Step 2: Convert to fraction form
    847,229.20/1,270,843.80 = 314,694.70/x
  3. Step 3: Cross multiply
    847,229.20x = 1,270,843.80 × 314,694.70
  4. Step 4: Simplify right side
    847,229.20x = 399,927,808,387.86
  5. Step 5: Solve for x
    x = 399,927,808,387.86/847,229.20
  6. Step 6: Final answer
    x = 472,042.05

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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.