Home / 754,235.60-1,131,056.91-274,349.48

Finding the Fourth Proportional to 754,235.60, 1,131,056.91 and 274,349.48

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Solution

The fourth proportional to 754,235.60, 1,131,056.91 and 274,349.48 is: 411,416.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,235.60 : 1,131,056.91 = 274,349.48 : x
  2. Step 2: Convert to fraction form
    754,235.60/1,131,056.91 = 274,349.48/x
  3. Step 3: Cross multiply
    754,235.60x = 1,131,056.91 × 274,349.48
  4. Step 4: Simplify right side
    754,235.60x = 310,304,869,453.62
  5. Step 5: Solve for x
    x = 310,304,869,453.62/754,235.60
  6. Step 6: Final answer
    x = 411,416.37

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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.