Home / 722,431.89-1,082,977.45-266,771.45

Finding the Fourth Proportional to 722,431.89, 1,082,977.45 and 266,771.45

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Solution

The fourth proportional to 722,431.89, 1,082,977.45 and 266,771.45 is: 399,909.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,431.89 : 1,082,977.45 = 266,771.45 : x
  2. Step 2: Convert to fraction form
    722,431.89/1,082,977.45 = 266,771.45/x
  3. Step 3: Cross multiply
    722,431.89x = 1,082,977.45 × 266,771.45
  4. Step 4: Simplify right side
    722,431.89x = 288,907,464,653.80
  5. Step 5: Solve for x
    x = 288,907,464,653.80/722,431.89
  6. Step 6: Final answer
    x = 399,909.62

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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.