Home / 575,949.30-863,945.82-220,999.20

Finding the Fourth Proportional to 575,949.30, 863,945.82 and 220,999.20

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Solution

The fourth proportional to 575,949.30, 863,945.82 and 220,999.20 is: 331,507.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,949.30 : 863,945.82 = 220,999.20 : x
  2. Step 2: Convert to fraction form
    575,949.30/863,945.82 = 220,999.20/x
  3. Step 3: Cross multiply
    575,949.30x = 863,945.82 × 220,999.20
  4. Step 4: Simplify right side
    575,949.30x = 190,931,335,063.34
  5. Step 5: Solve for x
    x = 190,931,335,063.34/575,949.30
  6. Step 6: Final answer
    x = 331,507.19

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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.