Home / 694,172.88-1,041,267.96-220,856.40

Finding the Fourth Proportional to 694,172.88, 1,041,267.96 and 220,856.40

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Solution

The fourth proportional to 694,172.88, 1,041,267.96 and 220,856.40 is: 331,287.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,172.88 : 1,041,267.96 = 220,856.40 : x
  2. Step 2: Convert to fraction form
    694,172.88/1,041,267.96 = 220,856.40/x
  3. Step 3: Cross multiply
    694,172.88x = 1,041,267.96 × 220,856.40
  4. Step 4: Simplify right side
    694,172.88x = 229,970,693,080.94
  5. Step 5: Solve for x
    x = 229,970,693,080.94/694,172.88
  6. Step 6: Final answer
    x = 331,287.35

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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.