Home / 628,668.03-943,010.70-179,388.76

Finding the Fourth Proportional to 628,668.03, 943,010.70 and 179,388.76

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Solution

The fourth proportional to 628,668.03, 943,010.70 and 179,388.76 is: 269,085.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,668.03 : 943,010.70 = 179,388.76 : x
  2. Step 2: Convert to fraction form
    628,668.03/943,010.70 = 179,388.76/x
  3. Step 3: Cross multiply
    628,668.03x = 943,010.70 × 179,388.76
  4. Step 4: Simplify right side
    628,668.03x = 169,165,520,139.73
  5. Step 5: Solve for x
    x = 169,165,520,139.73/628,668.03
  6. Step 6: Final answer
    x = 269,085.61

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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.