Home / 889,251.66-1,334,089.71-290,213.96

Finding the Fourth Proportional to 889,251.66, 1,334,089.71 and 290,213.96

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Solution

The fourth proportional to 889,251.66, 1,334,089.71 and 290,213.96 is: 435,390.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,251.66 : 1,334,089.71 = 290,213.96 : x
  2. Step 2: Convert to fraction form
    889,251.66/1,334,089.71 = 290,213.96/x
  3. Step 3: Cross multiply
    889,251.66x = 1,334,089.71 × 290,213.96
  4. Step 4: Simplify right side
    889,251.66x = 387,171,451,063.90
  5. Step 5: Solve for x
    x = 387,171,451,063.90/889,251.66
  6. Step 6: Final answer
    x = 435,390.19

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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.