Home / 850,998.50-1,276,716.51-318,527.18

Finding the Fourth Proportional to 850,998.50, 1,276,716.51 and 318,527.18

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Solution

The fourth proportional to 850,998.50, 1,276,716.51 and 318,527.18 is: 477,872.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,998.50 : 1,276,716.51 = 318,527.18 : x
  2. Step 2: Convert to fraction form
    850,998.50/1,276,716.51 = 318,527.18/x
  3. Step 3: Cross multiply
    850,998.50x = 1,276,716.51 × 318,527.18
  4. Step 4: Simplify right side
    850,998.50x = 406,668,909,589.74
  5. Step 5: Solve for x
    x = 406,668,909,589.74/850,998.50
  6. Step 6: Final answer
    x = 477,872.65

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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.