Home / 763,449.44-1,145,026.40-230,845.64

Finding the Fourth Proportional to 763,449.44, 1,145,026.40 and 230,845.64

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Solution

The fourth proportional to 763,449.44, 1,145,026.40 and 230,845.64 is: 346,223.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,449.44 : 1,145,026.40 = 230,845.64 : x
  2. Step 2: Convert to fraction form
    763,449.44/1,145,026.40 = 230,845.64/x
  3. Step 3: Cross multiply
    763,449.44x = 1,145,026.40 × 230,845.64
  4. Step 4: Simplify right side
    763,449.44x = 264,324,352,124.90
  5. Step 5: Solve for x
    x = 264,324,352,124.90/763,449.44
  6. Step 6: Final answer
    x = 346,223.78

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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.