Home / 426,466.74-639,523.28-173,575.59

Finding the Fourth Proportional to 426,466.74, 639,523.28 and 173,575.59

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Solution

The fourth proportional to 426,466.74, 639,523.28 and 173,575.59 is: 260,291.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,466.74 : 639,523.28 = 173,575.59 : x
  2. Step 2: Convert to fraction form
    426,466.74/639,523.28 = 173,575.59/x
  3. Step 3: Cross multiply
    426,466.74x = 639,523.28 × 173,575.59
  4. Step 4: Simplify right side
    426,466.74x = 111,005,629,776.86
  5. Step 5: Solve for x
    x = 111,005,629,776.86/426,466.74
  6. Step 6: Final answer
    x = 260,291.41

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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.