Home / 479,579.40-661,819.68-264,719.58

Finding the Fourth Proportional to 479,579.40, 661,819.68 and 264,719.58

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Solution

The fourth proportional to 479,579.40, 661,819.68 and 264,719.58 is: 365,313.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,579.40 : 661,819.68 = 264,719.58 : x
  2. Step 2: Convert to fraction form
    479,579.40/661,819.68 = 264,719.58/x
  3. Step 3: Cross multiply
    479,579.40x = 661,819.68 × 264,719.58
  4. Step 4: Simplify right side
    479,579.40x = 175,196,627,725.33
  5. Step 5: Solve for x
    x = 175,196,627,725.33/479,579.40
  6. Step 6: Final answer
    x = 365,313.08

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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.