Home / 822,840.20-1,234,260.30-231,864.20

Finding the Fourth Proportional to 822,840.20, 1,234,260.30 and 231,864.20

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Solution

The fourth proportional to 822,840.20, 1,234,260.30 and 231,864.20 is: 347,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,840.20 : 1,234,260.30 = 231,864.20 : x
  2. Step 2: Convert to fraction form
    822,840.20/1,234,260.30 = 231,864.20/x
  3. Step 3: Cross multiply
    822,840.20x = 1,234,260.30 × 231,864.20
  4. Step 4: Simplify right side
    822,840.20x = 286,180,777,051.26
  5. Step 5: Solve for x
    x = 286,180,777,051.26/822,840.20
  6. Step 6: Final answer
    x = 347,796.30

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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.