Home / 477,900.10-659,496.92-263,035.55

Finding the Fourth Proportional to 477,900.10, 659,496.92 and 263,035.55

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Solution

The fourth proportional to 477,900.10, 659,496.92 and 263,035.55 is: 362,986.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,900.10 : 659,496.92 = 263,035.55 : x
  2. Step 2: Convert to fraction form
    477,900.10/659,496.92 = 263,035.55/x
  3. Step 3: Cross multiply
    477,900.10x = 659,496.92 × 263,035.55
  4. Step 4: Simplify right side
    477,900.10x = 173,471,131,778.02
  5. Step 5: Solve for x
    x = 173,471,131,778.02/477,900.10
  6. Step 6: Final answer
    x = 362,986.18

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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.