Home / 869,896.12-1,304,962.76-505,329

Finding the Fourth Proportional to 869,896.12, 1,304,962.76 and 505,329

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Solution

The fourth proportional to 869,896.12, 1,304,962.76 and 505,329 is: 758,062.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,896.12 : 1,304,962.76 = 505,329 : x
  2. Step 2: Convert to fraction form
    869,896.12/1,304,962.76 = 505,329/x
  3. Step 3: Cross multiply
    869,896.12x = 1,304,962.76 × 505,329
  4. Step 4: Simplify right side
    869,896.12x = 659,435,526,548.04
  5. Step 5: Solve for x
    x = 659,435,526,548.04/869,896.12
  6. Step 6: Final answer
    x = 758,062.38

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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.