Home / 757,154.09-1,135,485.45-251,579.32

Finding the Fourth Proportional to 757,154.09, 1,135,485.45 and 251,579.32

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Solution

The fourth proportional to 757,154.09, 1,135,485.45 and 251,579.32 is: 377,287.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,154.09 : 1,135,485.45 = 251,579.32 : x
  2. Step 2: Convert to fraction form
    757,154.09/1,135,485.45 = 251,579.32/x
  3. Step 3: Cross multiply
    757,154.09x = 1,135,485.45 × 251,579.32
  4. Step 4: Simplify right side
    757,154.09x = 285,664,660,489.45
  5. Step 5: Solve for x
    x = 285,664,660,489.45/757,154.09
  6. Step 6: Final answer
    x = 377,287.35

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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.