Home / 386,763.66-579,584.70-274,663.44

Finding the Fourth Proportional to 386,763.66, 579,584.70 and 274,663.44

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Solution

The fourth proportional to 386,763.66, 579,584.70 and 274,663.44 is: 411,596.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,763.66 : 579,584.70 = 274,663.44 : x
  2. Step 2: Convert to fraction form
    386,763.66/579,584.70 = 274,663.44/x
  3. Step 3: Cross multiply
    386,763.66x = 579,584.70 × 274,663.44
  4. Step 4: Simplify right side
    386,763.66x = 159,190,727,473.37
  5. Step 5: Solve for x
    x = 159,190,727,473.37/386,763.66
  6. Step 6: Final answer
    x = 411,596.91

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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.