Home / 418,048.58-576,999.09-274,821.95

Finding the Fourth Proportional to 418,048.58, 576,999.09 and 274,821.95

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Solution

The fourth proportional to 418,048.58, 576,999.09 and 274,821.95 is: 379,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,048.58 : 576,999.09 = 274,821.95 : x
  2. Step 2: Convert to fraction form
    418,048.58/576,999.09 = 274,821.95/x
  3. Step 3: Cross multiply
    418,048.58x = 576,999.09 × 274,821.95
  4. Step 4: Simplify right side
    418,048.58x = 158,572,012,177.03
  5. Step 5: Solve for x
    x = 158,572,012,177.03/418,048.58
  6. Step 6: Final answer
    x = 379,314.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.