Home / 439,124.56-659,568.60-261,977.68

Finding the Fourth Proportional to 439,124.56, 659,568.60 and 261,977.68

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Solution

The fourth proportional to 439,124.56, 659,568.60 and 261,977.68 is: 393,492.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,124.56 : 659,568.60 = 261,977.68 : x
  2. Step 2: Convert to fraction form
    439,124.56/659,568.60 = 261,977.68/x
  3. Step 3: Cross multiply
    439,124.56x = 659,568.60 × 261,977.68
  4. Step 4: Simplify right side
    439,124.56x = 172,792,251,628.85
  5. Step 5: Solve for x
    x = 172,792,251,628.85/439,124.56
  6. Step 6: Final answer
    x = 393,492.57

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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.