Home / 628,843.40-943,192.20-179,633.60

Finding the Fourth Proportional to 628,843.40, 943,192.20 and 179,633.60

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Solution

The fourth proportional to 628,843.40, 943,192.20 and 179,633.60 is: 269,429.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,843.40 : 943,192.20 = 179,633.60 : x
  2. Step 2: Convert to fraction form
    628,843.40/943,192.20 = 179,633.60/x
  3. Step 3: Cross multiply
    628,843.40x = 943,192.20 × 179,633.60
  4. Step 4: Simplify right side
    628,843.40x = 169,429,010,377.92
  5. Step 5: Solve for x
    x = 169,429,010,377.92/628,843.40
  6. Step 6: Final answer
    x = 269,429.58

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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.