Home / 622,108.79-931,668.53-355,059.75

Finding the Fourth Proportional to 622,108.79, 931,668.53 and 355,059.75

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Solution

The fourth proportional to 622,108.79, 931,668.53 and 355,059.75 is: 531,736.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,108.79 : 931,668.53 = 355,059.75 : x
  2. Step 2: Convert to fraction form
    622,108.79/931,668.53 = 355,059.75/x
  3. Step 3: Cross multiply
    622,108.79x = 931,668.53 × 355,059.75
  4. Step 4: Simplify right side
    622,108.79x = 330,797,993,569.37
  5. Step 5: Solve for x
    x = 330,797,993,569.37/622,108.79
  6. Step 6: Final answer
    x = 531,736.57

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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.