Home / 476,083.28-656,991.24-274,990.16

Finding the Fourth Proportional to 476,083.28, 656,991.24 and 274,990.16

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Solution

The fourth proportional to 476,083.28, 656,991.24 and 274,990.16 is: 379,484.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,083.28 : 656,991.24 = 274,990.16 : x
  2. Step 2: Convert to fraction form
    476,083.28/656,991.24 = 274,990.16/x
  3. Step 3: Cross multiply
    476,083.28x = 656,991.24 × 274,990.16
  4. Step 4: Simplify right side
    476,083.28x = 180,666,126,206.20
  5. Step 5: Solve for x
    x = 180,666,126,206.20/476,083.28
  6. Step 6: Final answer
    x = 379,484.29

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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.