Home / 767,506.82-1,059,027.26-492,105.51

Finding the Fourth Proportional to 767,506.82, 1,059,027.26 and 492,105.51

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Solution

The fourth proportional to 767,506.82, 1,059,027.26 and 492,105.51 is: 679,020.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,506.82 : 1,059,027.26 = 492,105.51 : x
  2. Step 2: Convert to fraction form
    767,506.82/1,059,027.26 = 492,105.51/x
  3. Step 3: Cross multiply
    767,506.82x = 1,059,027.26 × 492,105.51
  4. Step 4: Simplify right side
    767,506.82x = 521,153,147,425.68
  5. Step 5: Solve for x
    x = 521,153,147,425.68/767,506.82
  6. Step 6: Final answer
    x = 679,020.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.