Home / 781,234.56-1,171,464.12-248,686.32

Finding the Fourth Proportional to 781,234.56, 1,171,464.12 and 248,686.32

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Solution

The fourth proportional to 781,234.56, 1,171,464.12 and 248,686.32 is: 372,906.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,234.56 : 1,171,464.12 = 248,686.32 : x
  2. Step 2: Convert to fraction form
    781,234.56/1,171,464.12 = 248,686.32/x
  3. Step 3: Cross multiply
    781,234.56x = 1,171,464.12 × 248,686.32
  4. Step 4: Simplify right side
    781,234.56x = 291,327,101,014.84
  5. Step 5: Solve for x
    x = 291,327,101,014.84/781,234.56
  6. Step 6: Final answer
    x = 372,906.06

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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.