Home / 481,344.04-664,429.26-280,140.04

Finding the Fourth Proportional to 481,344.04, 664,429.26 and 280,140.04

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Solution

The fourth proportional to 481,344.04, 664,429.26 and 280,140.04 is: 386,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,344.04 : 664,429.26 = 280,140.04 : x
  2. Step 2: Convert to fraction form
    481,344.04/664,429.26 = 280,140.04/x
  3. Step 3: Cross multiply
    481,344.04x = 664,429.26 × 280,140.04
  4. Step 4: Simplify right side
    481,344.04x = 186,133,239,473.57
  5. Step 5: Solve for x
    x = 186,133,239,473.57/481,344.04
  6. Step 6: Final answer
    x = 386,694.80

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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.