Home / 858,987.08-1,288,665.83-251,825.31

Finding the Fourth Proportional to 858,987.08, 1,288,665.83 and 251,825.31

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Solution

The fourth proportional to 858,987.08, 1,288,665.83 and 251,825.31 is: 377,792.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,987.08 : 1,288,665.83 = 251,825.31 : x
  2. Step 2: Convert to fraction form
    858,987.08/1,288,665.83 = 251,825.31/x
  3. Step 3: Cross multiply
    858,987.08x = 1,288,665.83 × 251,825.31
  4. Step 4: Simplify right side
    858,987.08x = 324,518,670,867.03
  5. Step 5: Solve for x
    x = 324,518,670,867.03/858,987.08
  6. Step 6: Final answer
    x = 377,792.26

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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.