Home / 702,749.29-1,053,450.51-297,383.87

Finding the Fourth Proportional to 702,749.29, 1,053,450.51 and 297,383.87

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Solution

The fourth proportional to 702,749.29, 1,053,450.51 and 297,383.87 is: 445,790.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,749.29 : 1,053,450.51 = 297,383.87 : x
  2. Step 2: Convert to fraction form
    702,749.29/1,053,450.51 = 297,383.87/x
  3. Step 3: Cross multiply
    702,749.29x = 1,053,450.51 × 297,383.87
  4. Step 4: Simplify right side
    702,749.29x = 313,279,185,365.21
  5. Step 5: Solve for x
    x = 313,279,185,365.21/702,749.29
  6. Step 6: Final answer
    x = 445,790.83

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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.