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Finding the Fourth Proportional to 601,556.88, 830,148.68 and 329,622.56

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Solution

The fourth proportional to 601,556.88, 830,148.68 and 329,622.56 is: 454,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,556.88 : 830,148.68 = 329,622.56 : x
  2. Step 2: Convert to fraction form
    601,556.88/830,148.68 = 329,622.56/x
  3. Step 3: Cross multiply
    601,556.88x = 830,148.68 × 329,622.56
  4. Step 4: Simplify right side
    601,556.88x = 273,635,733,082.22
  5. Step 5: Solve for x
    x = 273,635,733,082.22/601,556.88
  6. Step 6: Final answer
    x = 454,879.23

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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.