Home / 781,236.56-1,171,467.12-248,688.32

Finding the Fourth Proportional to 781,236.56, 1,171,467.12 and 248,688.32

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Solution

The fourth proportional to 781,236.56, 1,171,467.12 and 248,688.32 is: 372,909.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,236.56 : 1,171,467.12 = 248,688.32 : x
  2. Step 2: Convert to fraction form
    781,236.56/1,171,467.12 = 248,688.32/x
  3. Step 3: Cross multiply
    781,236.56x = 1,171,467.12 × 248,688.32
  4. Step 4: Simplify right side
    781,236.56x = 291,330,190,008.04
  5. Step 5: Solve for x
    x = 291,330,190,008.04/781,236.56
  6. Step 6: Final answer
    x = 372,909.06

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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.