Home / 677,469.65-1,015,318.60-277,642.31

Finding the Fourth Proportional to 677,469.65, 1,015,318.60 and 277,642.31

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Solution

The fourth proportional to 677,469.65, 1,015,318.60 and 277,642.31 is: 416,100.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,469.65 : 1,015,318.60 = 277,642.31 : x
  2. Step 2: Convert to fraction form
    677,469.65/1,015,318.60 = 277,642.31/x
  3. Step 3: Cross multiply
    677,469.65x = 1,015,318.60 × 277,642.31
  4. Step 4: Simplify right side
    677,469.65x = 281,895,395,719.27
  5. Step 5: Solve for x
    x = 281,895,395,719.27/677,469.65
  6. Step 6: Final answer
    x = 416,100.41

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1.5x scale

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.