Home / 727,704.83-1,091,754.18-412,383.17

Finding the Fourth Proportional to 727,704.83, 1,091,754.18 and 412,383.17

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Solution

The fourth proportional to 727,704.83, 1,091,754.18 and 412,383.17 is: 618,686.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,704.83 : 1,091,754.18 = 412,383.17 : x
  2. Step 2: Convert to fraction form
    727,704.83/1,091,754.18 = 412,383.17/x
  3. Step 3: Cross multiply
    727,704.83x = 1,091,754.18 × 412,383.17
  4. Step 4: Simplify right side
    727,704.83x = 450,221,052,338.54
  5. Step 5: Solve for x
    x = 450,221,052,338.54/727,704.83
  6. Step 6: Final answer
    x = 618,686.36

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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.