Home / 692,967.28-1,039,450.78-260,765.96

Finding the Fourth Proportional to 692,967.28, 1,039,450.78 and 260,765.96

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Solution

The fourth proportional to 692,967.28, 1,039,450.78 and 260,765.96 is: 391,148.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,967.28 : 1,039,450.78 = 260,765.96 : x
  2. Step 2: Convert to fraction form
    692,967.28/1,039,450.78 = 260,765.96/x
  3. Step 3: Cross multiply
    692,967.28x = 1,039,450.78 × 260,765.96
  4. Step 4: Simplify right side
    692,967.28x = 271,053,380,519.45
  5. Step 5: Solve for x
    x = 271,053,380,519.45/692,967.28
  6. Step 6: Final answer
    x = 391,148.89

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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.