Home / 572,835.07-790,537.42-318,186.26

Finding the Fourth Proportional to 572,835.07, 790,537.42 and 318,186.26

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Solution

The fourth proportional to 572,835.07, 790,537.42 and 318,186.26 is: 439,110.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,835.07 : 790,537.42 = 318,186.26 : x
  2. Step 2: Convert to fraction form
    572,835.07/790,537.42 = 318,186.26/x
  3. Step 3: Cross multiply
    572,835.07x = 790,537.42 × 318,186.26
  4. Step 4: Simplify right side
    572,835.07x = 251,538,145,059.85
  5. Step 5: Solve for x
    x = 251,538,145,059.85/572,835.07
  6. Step 6: Final answer
    x = 439,110.94

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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.