Home / 817,693.12-1,226,724.25-270,584.13

Finding the Fourth Proportional to 817,693.12, 1,226,724.25 and 270,584.13

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Solution

The fourth proportional to 817,693.12, 1,226,724.25 and 270,584.13 is: 405,937.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,693.12 : 1,226,724.25 = 270,584.13 : x
  2. Step 2: Convert to fraction form
    817,693.12/1,226,724.25 = 270,584.13/x
  3. Step 3: Cross multiply
    817,693.12x = 1,226,724.25 × 270,584.13
  4. Step 4: Simplify right side
    817,693.12x = 331,932,115,690.91
  5. Step 5: Solve for x
    x = 331,932,115,690.91/817,693.12
  6. Step 6: Final answer
    x = 405,937.27

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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.