Home / 839,930.75-1,260,074.72-271,344.46

Finding the Fourth Proportional to 839,930.75, 1,260,074.72 and 271,344.46

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Solution

The fourth proportional to 839,930.75, 1,260,074.72 and 271,344.46 is: 407,074.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,930.75 : 1,260,074.72 = 271,344.46 : x
  2. Step 2: Convert to fraction form
    839,930.75/1,260,074.72 = 271,344.46/x
  3. Step 3: Cross multiply
    839,930.75x = 1,260,074.72 × 271,344.46
  4. Step 4: Simplify right side
    839,930.75x = 341,914,294,458.05
  5. Step 5: Solve for x
    x = 341,914,294,458.05/839,930.75
  6. Step 6: Final answer
    x = 407,074.39

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1.5x scale

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.