Home / 439,556.07-606,665.04-258,267.96

Finding the Fourth Proportional to 439,556.07, 606,665.04 and 258,267.96

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Solution

The fourth proportional to 439,556.07, 606,665.04 and 258,267.96 is: 356,455.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,556.07 : 606,665.04 = 258,267.96 : x
  2. Step 2: Convert to fraction form
    439,556.07/606,665.04 = 258,267.96/x
  3. Step 3: Cross multiply
    439,556.07x = 606,665.04 × 258,267.96
  4. Step 4: Simplify right side
    439,556.07x = 156,682,142,284.12
  5. Step 5: Solve for x
    x = 156,682,142,284.12/439,556.07
  6. Step 6: Final answer
    x = 356,455.42

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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.