Home / 729,656.40-1,094,488.26-329,829.06

Finding the Fourth Proportional to 729,656.40, 1,094,488.26 and 329,829.06

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Solution

The fourth proportional to 729,656.40, 1,094,488.26 and 329,829.06 is: 494,745.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,656.40 : 1,094,488.26 = 329,829.06 : x
  2. Step 2: Convert to fraction form
    729,656.40/1,094,488.26 = 329,829.06/x
  3. Step 3: Cross multiply
    729,656.40x = 1,094,488.26 × 329,829.06
  4. Step 4: Simplify right side
    729,656.40x = 360,994,033,976.84
  5. Step 5: Solve for x
    x = 360,994,033,976.84/729,656.40
  6. Step 6: Final answer
    x = 494,745.24

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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.