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Finding the Fourth Proportional to 575,777.27, 863,776.60 and 220,763.60

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Solution

The fourth proportional to 575,777.27, 863,776.60 and 220,763.60 is: 331,187.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,777.27 : 863,776.60 = 220,763.60 : x
  2. Step 2: Convert to fraction form
    575,777.27/863,776.60 = 220,763.60/x
  3. Step 3: Cross multiply
    575,777.27x = 863,776.60 × 220,763.60
  4. Step 4: Simplify right side
    575,777.27x = 190,690,430,180.13
  5. Step 5: Solve for x
    x = 190,690,430,180.13/575,777.27
  6. Step 6: Final answer
    x = 331,187.84

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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.