Home / 729,644.54-1,095,139.57-370,067.74

Finding the Fourth Proportional to 729,644.54, 1,095,139.57 and 370,067.74

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Solution

The fourth proportional to 729,644.54, 1,095,139.57 and 370,067.74 is: 555,442.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,644.54 : 1,095,139.57 = 370,067.74 : x
  2. Step 2: Convert to fraction form
    729,644.54/1,095,139.57 = 370,067.74/x
  3. Step 3: Cross multiply
    729,644.54x = 1,095,139.57 × 370,067.74
  4. Step 4: Simplify right side
    729,644.54x = 405,275,821,644.52
  5. Step 5: Solve for x
    x = 405,275,821,644.52/729,644.54
  6. Step 6: Final answer
    x = 555,442.82

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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.