Home / 504,977.25-696,883.19-278,637.33

Finding the Fourth Proportional to 504,977.25, 696,883.19 and 278,637.33

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Solution

The fourth proportional to 504,977.25, 696,883.19 and 278,637.33 is: 384,527.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,977.25 : 696,883.19 = 278,637.33 : x
  2. Step 2: Convert to fraction form
    504,977.25/696,883.19 = 278,637.33/x
  3. Step 3: Cross multiply
    504,977.25x = 696,883.19 × 278,637.33
  4. Step 4: Simplify right side
    504,977.25x = 194,177,669,990.30
  5. Step 5: Solve for x
    x = 194,177,669,990.30/504,977.25
  6. Step 6: Final answer
    x = 384,527.56

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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.