Home / 413,067.26-618,397.39-306,921.67

Finding the Fourth Proportional to 413,067.26, 618,397.39 and 306,921.67

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Solution

The fourth proportional to 413,067.26, 618,397.39 and 306,921.67 is: 459,488.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,067.26 : 618,397.39 = 306,921.67 : x
  2. Step 2: Convert to fraction form
    413,067.26/618,397.39 = 306,921.67/x
  3. Step 3: Cross multiply
    413,067.26x = 618,397.39 × 306,921.67
  4. Step 4: Simplify right side
    413,067.26x = 189,799,559,662.44
  5. Step 5: Solve for x
    x = 189,799,559,662.44/413,067.26
  6. Step 6: Final answer
    x = 459,488.27

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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.