Home / 906,004.12-1,250,286.49-498,112.90

Finding the Fourth Proportional to 906,004.12, 1,250,286.49 and 498,112.90

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Solution

The fourth proportional to 906,004.12, 1,250,286.49 and 498,112.90 is: 687,396.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,004.12 : 1,250,286.49 = 498,112.90 : x
  2. Step 2: Convert to fraction form
    906,004.12/1,250,286.49 = 498,112.90/x
  3. Step 3: Cross multiply
    906,004.12x = 1,250,286.49 × 498,112.90
  4. Step 4: Simplify right side
    906,004.12x = 622,783,829,364.72
  5. Step 5: Solve for x
    x = 622,783,829,364.72/906,004.12
  6. Step 6: Final answer
    x = 687,396.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.