Home / 862,770.12-1,294,158.38-263,728.95

Finding the Fourth Proportional to 862,770.12, 1,294,158.38 and 263,728.95

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Solution

The fourth proportional to 862,770.12, 1,294,158.38 and 263,728.95 is: 395,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,770.12 : 1,294,158.38 = 263,728.95 : x
  2. Step 2: Convert to fraction form
    862,770.12/1,294,158.38 = 263,728.95/x
  3. Step 3: Cross multiply
    862,770.12x = 1,294,158.38 × 263,728.95
  4. Step 4: Simplify right side
    862,770.12x = 341,307,029,372.46
  5. Step 5: Solve for x
    x = 341,307,029,372.46/862,770.12
  6. Step 6: Final answer
    x = 395,594.40

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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.