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Finding the Fourth Proportional to 477,901.83, 659,504.70 and 263,040.36

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Solution

The fourth proportional to 477,901.83, 659,504.70 and 263,040.36 is: 362,995.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,901.83 : 659,504.70 = 263,040.36 : x
  2. Step 2: Convert to fraction form
    477,901.83/659,504.70 = 263,040.36/x
  3. Step 3: Cross multiply
    477,901.83x = 659,504.70 × 263,040.36
  4. Step 4: Simplify right side
    477,901.83x = 173,476,353,709.69
  5. Step 5: Solve for x
    x = 173,476,353,709.69/477,901.83
  6. Step 6: Final answer
    x = 362,995.79

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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.