Home / 828,240.32-1,242,388.26-229,151.30

Finding the Fourth Proportional to 828,240.32, 1,242,388.26 and 229,151.30

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Solution

The fourth proportional to 828,240.32, 1,242,388.26 and 229,151.30 is: 343,734.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,240.32 : 1,242,388.26 = 229,151.30 : x
  2. Step 2: Convert to fraction form
    828,240.32/1,242,388.26 = 229,151.30/x
  3. Step 3: Cross multiply
    828,240.32x = 1,242,388.26 × 229,151.30
  4. Step 4: Simplify right side
    828,240.32x = 284,694,887,989.71
  5. Step 5: Solve for x
    x = 284,694,887,989.71/828,240.32
  6. Step 6: Final answer
    x = 343,734.64

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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.