Home / 837,521.49-1,256,121.99-325,186.64

Finding the Fourth Proportional to 837,521.49, 1,256,121.99 and 325,186.64

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Solution

The fourth proportional to 837,521.49, 1,256,121.99 and 325,186.64 is: 487,717.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,521.49 : 1,256,121.99 = 325,186.64 : x
  2. Step 2: Convert to fraction form
    837,521.49/1,256,121.99 = 325,186.64/x
  3. Step 3: Cross multiply
    837,521.49x = 1,256,121.99 × 325,186.64
  4. Step 4: Simplify right side
    837,521.49x = 408,474,089,358.21
  5. Step 5: Solve for x
    x = 408,474,089,358.21/837,521.49
  6. Step 6: Final answer
    x = 487,717.74

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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.