Home / 809,644.84-1,214,464.70-218,668.84

Finding the Fourth Proportional to 809,644.84, 1,214,464.70 and 218,668.84

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Solution

The fourth proportional to 809,644.84, 1,214,464.70 and 218,668.84 is: 328,002.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,644.84 : 1,214,464.70 = 218,668.84 : x
  2. Step 2: Convert to fraction form
    809,644.84/1,214,464.70 = 218,668.84/x
  3. Step 3: Cross multiply
    809,644.84x = 1,214,464.70 × 218,668.84
  4. Step 4: Simplify right side
    809,644.84x = 265,565,587,169.95
  5. Step 5: Solve for x
    x = 265,565,587,169.95/809,644.84
  6. Step 6: Final answer
    x = 328,002.57

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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.