Home / 413,265.78-619,824.15-113,707.53

Finding the Fourth Proportional to 413,265.78, 619,824.15 and 113,707.53

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Solution

The fourth proportional to 413,265.78, 619,824.15 and 113,707.53 is: 170,540.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,265.78 : 619,824.15 = 113,707.53 : x
  2. Step 2: Convert to fraction form
    413,265.78/619,824.15 = 113,707.53/x
  3. Step 3: Cross multiply
    413,265.78x = 619,824.15 × 113,707.53
  4. Step 4: Simplify right side
    413,265.78x = 70,478,673,130.85
  5. Step 5: Solve for x
    x = 70,478,673,130.85/413,265.78
  6. Step 6: Final answer
    x = 170,540.79

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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.