Home / 414,358.73-621,538.09-274,084.55

Finding the Fourth Proportional to 414,358.73, 621,538.09 and 274,084.55

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Solution

The fourth proportional to 414,358.73, 621,538.09 and 274,084.55 is: 411,126.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,358.73 : 621,538.09 = 274,084.55 : x
  2. Step 2: Convert to fraction form
    414,358.73/621,538.09 = 274,084.55/x
  3. Step 3: Cross multiply
    414,358.73x = 621,538.09 × 274,084.55
  4. Step 4: Simplify right side
    414,358.73x = 170,353,987,705.51
  5. Step 5: Solve for x
    x = 170,353,987,705.51/414,358.73
  6. Step 6: Final answer
    x = 411,126.82

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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.