Home / 479,579.80-661,820.16-264,719.92

Finding the Fourth Proportional to 479,579.80, 661,820.16 and 264,719.92

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Solution

The fourth proportional to 479,579.80, 661,820.16 and 264,719.92 is: 365,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,579.80 : 661,820.16 = 264,719.92 : x
  2. Step 2: Convert to fraction form
    479,579.80/661,820.16 = 264,719.92/x
  3. Step 3: Cross multiply
    479,579.80x = 661,820.16 × 264,719.92
  4. Step 4: Simplify right side
    479,579.80x = 175,196,979,809.59
  5. Step 5: Solve for x
    x = 175,196,979,809.59/479,579.80
  6. Step 6: Final answer
    x = 365,313.51

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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.