Home / 847,338.75-1,271,006.96-216,252.54

Finding the Fourth Proportional to 847,338.75, 1,271,006.96 and 216,252.54

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Solution

The fourth proportional to 847,338.75, 1,271,006.96 and 216,252.54 is: 324,378.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,338.75 : 1,271,006.96 = 216,252.54 : x
  2. Step 2: Convert to fraction form
    847,338.75/1,271,006.96 = 216,252.54/x
  3. Step 3: Cross multiply
    847,338.75x = 1,271,006.96 × 216,252.54
  4. Step 4: Simplify right side
    847,338.75x = 274,858,482,376.42
  5. Step 5: Solve for x
    x = 274,858,482,376.42/847,338.75
  6. Step 6: Final answer
    x = 324,378.51

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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.