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Finding the Fourth Proportional to 600,689.09, 900,539.73 and 280,682.69

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Solution

The fourth proportional to 600,689.09, 900,539.73 and 280,682.69 is: 420,793.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,689.09 : 900,539.73 = 280,682.69 : x
  2. Step 2: Convert to fraction form
    600,689.09/900,539.73 = 280,682.69/x
  3. Step 3: Cross multiply
    600,689.09x = 900,539.73 × 280,682.69
  4. Step 4: Simplify right side
    600,689.09x = 252,765,909,365.58
  5. Step 5: Solve for x
    x = 252,765,909,365.58/600,689.09
  6. Step 6: Final answer
    x = 420,793.24

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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.