Home / 426,021.12-588,104.84-367,645.64

Finding the Fourth Proportional to 426,021.12, 588,104.84 and 367,645.64

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Solution

The fourth proportional to 426,021.12, 588,104.84 and 367,645.64 is: 507,519.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,021.12 : 588,104.84 = 367,645.64 : x
  2. Step 2: Convert to fraction form
    426,021.12/588,104.84 = 367,645.64/x
  3. Step 3: Cross multiply
    426,021.12x = 588,104.84 × 367,645.64
  4. Step 4: Simplify right side
    426,021.12x = 216,214,180,288.90
  5. Step 5: Solve for x
    x = 216,214,180,288.90/426,021.12
  6. Step 6: Final answer
    x = 507,519.86

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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.