Home / 843,753.69-1,266,033.42-394,409.28

Finding the Fourth Proportional to 843,753.69, 1,266,033.42 and 394,409.28

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Solution

The fourth proportional to 843,753.69, 1,266,033.42 and 394,409.28 is: 591,802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,753.69 : 1,266,033.42 = 394,409.28 : x
  2. Step 2: Convert to fraction form
    843,753.69/1,266,033.42 = 394,409.28/x
  3. Step 3: Cross multiply
    843,753.69x = 1,266,033.42 × 394,409.28
  4. Step 4: Simplify right side
    843,753.69x = 499,335,329,638.14
  5. Step 5: Solve for x
    x = 499,335,329,638.14/843,753.69
  6. Step 6: Final answer
    x = 591,802.25

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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.