Home / 479,579.13-661,819.23-264,719.25

Finding the Fourth Proportional to 479,579.13, 661,819.23 and 264,719.25

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Solution

The fourth proportional to 479,579.13, 661,819.23 and 264,719.25 is: 365,312.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,579.13 : 661,819.23 = 264,719.25 : x
  2. Step 2: Convert to fraction form
    479,579.13/661,819.23 = 264,719.25/x
  3. Step 3: Cross multiply
    479,579.13x = 661,819.23 × 264,719.25
  4. Step 4: Simplify right side
    479,579.13x = 175,196,290,201.18
  5. Step 5: Solve for x
    x = 175,196,290,201.18/479,579.13
  6. Step 6: Final answer
    x = 365,312.58

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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.