Home / 809,327.18-1,213,875.65-329,764.25

Finding the Fourth Proportional to 809,327.18, 1,213,875.65 and 329,764.25

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Solution

The fourth proportional to 809,327.18, 1,213,875.65 and 329,764.25 is: 494,599.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,327.18 : 1,213,875.65 = 329,764.25 : x
  2. Step 2: Convert to fraction form
    809,327.18/1,213,875.65 = 329,764.25/x
  3. Step 3: Cross multiply
    809,327.18x = 1,213,875.65 × 329,764.25
  4. Step 4: Simplify right side
    809,327.18x = 400,292,797,174.61
  5. Step 5: Solve for x
    x = 400,292,797,174.61/809,327.18
  6. Step 6: Final answer
    x = 494,599.47

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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.