Home / 776,667.76-1,165,420.16-327,699.80

Finding the Fourth Proportional to 776,667.76, 1,165,420.16 and 327,699.80

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Solution

The fourth proportional to 776,667.76, 1,165,420.16 and 327,699.80 is: 491,726.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,667.76 : 1,165,420.16 = 327,699.80 : x
  2. Step 2: Convert to fraction form
    776,667.76/1,165,420.16 = 327,699.80/x
  3. Step 3: Cross multiply
    776,667.76x = 1,165,420.16 × 327,699.80
  4. Step 4: Simplify right side
    776,667.76x = 381,907,953,347.97
  5. Step 5: Solve for x
    x = 381,907,953,347.97/776,667.76
  6. Step 6: Final answer
    x = 491,726.29

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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.