Home / 479,664.26-661,919.34-264,799.72

Finding the Fourth Proportional to 479,664.26, 661,919.34 and 264,799.72

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Solution

The fourth proportional to 479,664.26, 661,919.34 and 264,799.72 is: 365,414.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,664.26 : 661,919.34 = 264,799.72 : x
  2. Step 2: Convert to fraction form
    479,664.26/661,919.34 = 264,799.72/x
  3. Step 3: Cross multiply
    479,664.26x = 661,919.34 × 264,799.72
  4. Step 4: Simplify right side
    479,664.26x = 175,276,055,894.59
  5. Step 5: Solve for x
    x = 175,276,055,894.59/479,664.26
  6. Step 6: Final answer
    x = 365,414.04

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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.