Home / 809,131.60-1,215,009.60-544,067.20

Finding the Fourth Proportional to 809,131.60, 1,215,009.60 and 544,067.20

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Solution

The fourth proportional to 809,131.60, 1,215,009.60 and 544,067.20 is: 816,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,131.60 : 1,215,009.60 = 544,067.20 : x
  2. Step 2: Convert to fraction form
    809,131.60/1,215,009.60 = 544,067.20/x
  3. Step 3: Cross multiply
    809,131.60x = 1,215,009.60 × 544,067.20
  4. Step 4: Simplify right side
    809,131.60x = 661,046,871,045.12
  5. Step 5: Solve for x
    x = 661,046,871,045.12/809,131.60
  6. Step 6: Final answer
    x = 816,983.13

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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.