Home / 457,513.60-631,403.76-263,956

Finding the Fourth Proportional to 457,513.60, 631,403.76 and 263,956

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Solution

The fourth proportional to 457,513.60, 631,403.76 and 263,956 is: 364,279.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,513.60 : 631,403.76 = 263,956 : x
  2. Step 2: Convert to fraction form
    457,513.60/631,403.76 = 263,956/x
  3. Step 3: Cross multiply
    457,513.60x = 631,403.76 × 263,956
  4. Step 4: Simplify right side
    457,513.60x = 166,662,810,874.56
  5. Step 5: Solve for x
    x = 166,662,810,874.56/457,513.60
  6. Step 6: Final answer
    x = 364,279.47

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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.