Home / 668,923.93-1,002,958.92-440,956.45

Finding the Fourth Proportional to 668,923.93, 1,002,958.92 and 440,956.45

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Solution

The fourth proportional to 668,923.93, 1,002,958.92 and 440,956.45 is: 661,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,923.93 : 1,002,958.92 = 440,956.45 : x
  2. Step 2: Convert to fraction form
    668,923.93/1,002,958.92 = 440,956.45/x
  3. Step 3: Cross multiply
    668,923.93x = 1,002,958.92 × 440,956.45
  4. Step 4: Simplify right side
    668,923.93x = 442,261,204,859.03
  5. Step 5: Solve for x
    x = 442,261,204,859.03/668,923.93
  6. Step 6: Final answer
    x = 661,153.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.