Home / 817,342.88-1,226,112.72-270,253.88

Finding the Fourth Proportional to 817,342.88, 1,226,112.72 and 270,253.88

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Solution

The fourth proportional to 817,342.88, 1,226,112.72 and 270,253.88 is: 405,413.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,342.88 : 1,226,112.72 = 270,253.88 : x
  2. Step 2: Convert to fraction form
    817,342.88/1,226,112.72 = 270,253.88/x
  3. Step 3: Cross multiply
    817,342.88x = 1,226,112.72 × 270,253.88
  4. Step 4: Simplify right side
    817,342.88x = 331,361,719,897.35
  5. Step 5: Solve for x
    x = 331,361,719,897.35/817,342.88
  6. Step 6: Final answer
    x = 405,413.36

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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.