Home / 519,824.70-779,664.15-164,874.60

Finding the Fourth Proportional to 519,824.70, 779,664.15 and 164,874.60

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Solution

The fourth proportional to 519,824.70, 779,664.15 and 164,874.60 is: 247,288.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,824.70 : 779,664.15 = 164,874.60 : x
  2. Step 2: Convert to fraction form
    519,824.70/779,664.15 = 164,874.60/x
  3. Step 3: Cross multiply
    519,824.70x = 779,664.15 × 164,874.60
  4. Step 4: Simplify right side
    519,824.70x = 128,546,814,865.59
  5. Step 5: Solve for x
    x = 128,546,814,865.59/519,824.70
  6. Step 6: Final answer
    x = 247,288.78

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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.