Home / 708,518.85-1,062,668.72-259,134.63

Finding the Fourth Proportional to 708,518.85, 1,062,668.72 and 259,134.63

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Solution

The fourth proportional to 708,518.85, 1,062,668.72 and 259,134.63 is: 388,661.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,518.85 : 1,062,668.72 = 259,134.63 : x
  2. Step 2: Convert to fraction form
    708,518.85/1,062,668.72 = 259,134.63/x
  3. Step 3: Cross multiply
    708,518.85x = 1,062,668.72 × 259,134.63
  4. Step 4: Simplify right side
    708,518.85x = 275,374,260,774.97
  5. Step 5: Solve for x
    x = 275,374,260,774.97/708,518.85
  6. Step 6: Final answer
    x = 388,661.87

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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.