Home / 780,765.53-1,170,861.44-268,285.34

Finding the Fourth Proportional to 780,765.53, 1,170,861.44 and 268,285.34

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Solution

The fourth proportional to 780,765.53, 1,170,861.44 and 268,285.34 is: 402,329.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,765.53 : 1,170,861.44 = 268,285.34 : x
  2. Step 2: Convert to fraction form
    780,765.53/1,170,861.44 = 268,285.34/x
  3. Step 3: Cross multiply
    780,765.53x = 1,170,861.44 × 268,285.34
  4. Step 4: Simplify right side
    780,765.53x = 314,124,958,517.22
  5. Step 5: Solve for x
    x = 314,124,958,517.22/780,765.53
  6. Step 6: Final answer
    x = 402,329.44

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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.