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Finding the Fourth Proportional to 382,359.60, 573,539.40 and 325,278.90

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Solution

The fourth proportional to 382,359.60, 573,539.40 and 325,278.90 is: 487,918.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,359.60 : 573,539.40 = 325,278.90 : x
  2. Step 2: Convert to fraction form
    382,359.60/573,539.40 = 325,278.90/x
  3. Step 3: Cross multiply
    382,359.60x = 573,539.40 × 325,278.90
  4. Step 4: Simplify right side
    382,359.60x = 186,560,265,138.66
  5. Step 5: Solve for x
    x = 186,560,265,138.66/382,359.60
  6. Step 6: Final answer
    x = 487,918.35

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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.