Home / 485,360.46-669,600-322,093.80

Finding the Fourth Proportional to 485,360.46, 669,600 and 322,093.80

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Solution

The fourth proportional to 485,360.46, 669,600 and 322,093.80 is: 444,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,360.46 : 669,600 = 322,093.80 : x
  2. Step 2: Convert to fraction form
    485,360.46/669,600 = 322,093.80/x
  3. Step 3: Cross multiply
    485,360.46x = 669,600 × 322,093.80
  4. Step 4: Simplify right side
    485,360.46x = 215,674,008,480
  5. Step 5: Solve for x
    x = 215,674,008,480/485,360.46
  6. Step 6: Final answer
    x = 444,358.42

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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.