Home / 575,320.44-863,105.22-220,334.43

Finding the Fourth Proportional to 575,320.44, 863,105.22 and 220,334.43

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Solution

The fourth proportional to 575,320.44, 863,105.22 and 220,334.43 is: 330,549.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,320.44 : 863,105.22 = 220,334.43 : x
  2. Step 2: Convert to fraction form
    575,320.44/863,105.22 = 220,334.43/x
  3. Step 3: Cross multiply
    575,320.44x = 863,105.22 × 220,334.43
  4. Step 4: Simplify right side
    575,320.44x = 190,171,796,678.73
  5. Step 5: Solve for x
    x = 190,171,796,678.73/575,320.44
  6. Step 6: Final answer
    x = 330,549.35

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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.