Home / 572,829.54-790,529.79-318,180.73

Finding the Fourth Proportional to 572,829.54, 790,529.79 and 318,180.73

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Solution

The fourth proportional to 572,829.54, 790,529.79 and 318,180.73 is: 439,103.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,829.54 : 790,529.79 = 318,180.73 : x
  2. Step 2: Convert to fraction form
    572,829.54/790,529.79 = 318,180.73/x
  3. Step 3: Cross multiply
    572,829.54x = 790,529.79 × 318,180.73
  4. Step 4: Simplify right side
    572,829.54x = 251,531,345,668.95
  5. Step 5: Solve for x
    x = 251,531,345,668.95/572,829.54
  6. Step 6: Final answer
    x = 439,103.31

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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.