Home / 847,230.20-1,270,845.30-314,695.70

Finding the Fourth Proportional to 847,230.20, 1,270,845.30 and 314,695.70

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Solution

The fourth proportional to 847,230.20, 1,270,845.30 and 314,695.70 is: 472,043.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,230.20 : 1,270,845.30 = 314,695.70 : x
  2. Step 2: Convert to fraction form
    847,230.20/1,270,845.30 = 314,695.70/x
  3. Step 3: Cross multiply
    847,230.20x = 1,270,845.30 × 314,695.70
  4. Step 4: Simplify right side
    847,230.20x = 399,929,551,275.21
  5. Step 5: Solve for x
    x = 399,929,551,275.21/847,230.20
  6. Step 6: Final answer
    x = 472,043.55

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Double scale
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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.