Home / 931,664.32-1,397,791.84-332,612.64

Finding the Fourth Proportional to 931,664.32, 1,397,791.84 and 332,612.64

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Solution

The fourth proportional to 931,664.32, 1,397,791.84 and 332,612.64 is: 499,024.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,664.32 : 1,397,791.84 = 332,612.64 : x
  2. Step 2: Convert to fraction form
    931,664.32/1,397,791.84 = 332,612.64/x
  3. Step 3: Cross multiply
    931,664.32x = 1,397,791.84 × 332,612.64
  4. Step 4: Simplify right side
    931,664.32x = 464,923,234,072.86
  5. Step 5: Solve for x
    x = 464,923,234,072.86/931,664.32
  6. Step 6: Final answer
    x = 499,024.41

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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.