Home / 481,582.77-664,589.10-290,559.25

Finding the Fourth Proportional to 481,582.77, 664,589.10 and 290,559.25

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Solution

The fourth proportional to 481,582.77, 664,589.10 and 290,559.25 is: 400,974.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,582.77 : 664,589.10 = 290,559.25 : x
  2. Step 2: Convert to fraction form
    481,582.77/664,589.10 = 290,559.25/x
  3. Step 3: Cross multiply
    481,582.77x = 664,589.10 × 290,559.25
  4. Step 4: Simplify right side
    481,582.77x = 193,102,510,454.18
  5. Step 5: Solve for x
    x = 193,102,510,454.18/481,582.77
  6. Step 6: Final answer
    x = 400,974.71

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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.