Home / 881,063.22-1,320,948.45-281,679.42

Finding the Fourth Proportional to 881,063.22, 1,320,948.45 and 281,679.42

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Solution

The fourth proportional to 881,063.22, 1,320,948.45 and 281,679.42 is: 422,312.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,063.22 : 1,320,948.45 = 281,679.42 : x
  2. Step 2: Convert to fraction form
    881,063.22/1,320,948.45 = 281,679.42/x
  3. Step 3: Cross multiply
    881,063.22x = 1,320,948.45 × 281,679.42
  4. Step 4: Simplify right side
    881,063.22x = 372,083,993,245.90
  5. Step 5: Solve for x
    x = 372,083,993,245.90/881,063.22
  6. Step 6: Final answer
    x = 422,312.48

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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.