Home / 677,743.74-1,015,954.63-322,662.42

Finding the Fourth Proportional to 677,743.74, 1,015,954.63 and 322,662.42

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Solution

The fourth proportional to 677,743.74, 1,015,954.63 and 322,662.42 is: 483,678.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,743.74 : 1,015,954.63 = 322,662.42 : x
  2. Step 2: Convert to fraction form
    677,743.74/1,015,954.63 = 322,662.42/x
  3. Step 3: Cross multiply
    677,743.74x = 1,015,954.63 × 322,662.42
  4. Step 4: Simplify right side
    677,743.74x = 327,810,379,526.01
  5. Step 5: Solve for x
    x = 327,810,379,526.01/677,743.74
  6. Step 6: Final answer
    x = 483,678.95

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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.