Home / 849,286.20-1,273,929.30-343,846.20

Finding the Fourth Proportional to 849,286.20, 1,273,929.30 and 343,846.20

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Solution

The fourth proportional to 849,286.20, 1,273,929.30 and 343,846.20 is: 515,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,286.20 : 1,273,929.30 = 343,846.20 : x
  2. Step 2: Convert to fraction form
    849,286.20/1,273,929.30 = 343,846.20/x
  3. Step 3: Cross multiply
    849,286.20x = 1,273,929.30 × 343,846.20
  4. Step 4: Simplify right side
    849,286.20x = 438,035,748,873.66
  5. Step 5: Solve for x
    x = 438,035,748,873.66/849,286.20
  6. Step 6: Final answer
    x = 515,769.30

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Double scale
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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.