Home / 428,923.46-592,067.62-292,859.78

Finding the Fourth Proportional to 428,923.46, 592,067.62 and 292,859.78

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Solution

The fourth proportional to 428,923.46, 592,067.62 and 292,859.78 is: 404,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,923.46 : 592,067.62 = 292,859.78 : x
  2. Step 2: Convert to fraction form
    428,923.46/592,067.62 = 292,859.78/x
  3. Step 3: Cross multiply
    428,923.46x = 592,067.62 × 292,859.78
  4. Step 4: Simplify right side
    428,923.46x = 173,392,792,938.32
  5. Step 5: Solve for x
    x = 173,392,792,938.32/428,923.46
  6. Step 6: Final answer
    x = 404,251.13

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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.