Home / 426,467.74-639,524.77-173,576.59

Finding the Fourth Proportional to 426,467.74, 639,524.77 and 173,576.59

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Solution

The fourth proportional to 426,467.74, 639,524.77 and 173,576.59 is: 260,292.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,467.74 : 639,524.77 = 173,576.59 : x
  2. Step 2: Convert to fraction form
    426,467.74/639,524.77 = 173,576.59/x
  3. Step 3: Cross multiply
    426,467.74x = 639,524.77 × 173,576.59
  4. Step 4: Simplify right side
    426,467.74x = 111,006,528,797.13
  5. Step 5: Solve for x
    x = 111,006,528,797.13/426,467.74
  6. Step 6: Final answer
    x = 260,292.91

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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.