Home / 872,115.46-1,308,370.62-303,523.40

Finding the Fourth Proportional to 872,115.46, 1,308,370.62 and 303,523.40

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Solution

The fourth proportional to 872,115.46, 1,308,370.62 and 303,523.40 is: 455,353.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,115.46 : 1,308,370.62 = 303,523.40 : x
  2. Step 2: Convert to fraction form
    872,115.46/1,308,370.62 = 303,523.40/x
  3. Step 3: Cross multiply
    872,115.46x = 1,308,370.62 × 303,523.40
  4. Step 4: Simplify right side
    872,115.46x = 397,121,099,042.51
  5. Step 5: Solve for x
    x = 397,121,099,042.51/872,115.46
  6. Step 6: Final answer
    x = 455,353.81

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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.