Home / 850,450.39-1,275,643.60-210,755.96

Finding the Fourth Proportional to 850,450.39, 1,275,643.60 and 210,755.96

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Solution

The fourth proportional to 850,450.39, 1,275,643.60 and 210,755.96 is: 316,126.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,450.39 : 1,275,643.60 = 210,755.96 : x
  2. Step 2: Convert to fraction form
    850,450.39/1,275,643.60 = 210,755.96/x
  3. Step 3: Cross multiply
    850,450.39x = 1,275,643.60 × 210,755.96
  4. Step 4: Simplify right side
    850,450.39x = 268,849,489,414.41
  5. Step 5: Solve for x
    x = 268,849,489,414.41/850,450.39
  6. Step 6: Final answer
    x = 316,126.01

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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.