Home / 827,949.42-1,242,405.88-348,142.43

Finding the Fourth Proportional to 827,949.42, 1,242,405.88 and 348,142.43

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Solution

The fourth proportional to 827,949.42, 1,242,405.88 and 348,142.43 is: 522,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,949.42 : 1,242,405.88 = 348,142.43 : x
  2. Step 2: Convert to fraction form
    827,949.42/1,242,405.88 = 348,142.43/x
  3. Step 3: Cross multiply
    827,949.42x = 1,242,405.88 × 348,142.43
  4. Step 4: Simplify right side
    827,949.42x = 432,534,204,345.15
  5. Step 5: Solve for x
    x = 432,534,204,345.15/827,949.42
  6. Step 6: Final answer
    x = 522,416.22

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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.