Home / 948,633.12-1,422,606.90-317,399.28

Finding the Fourth Proportional to 948,633.12, 1,422,606.90 and 317,399.28

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Solution

The fourth proportional to 948,633.12, 1,422,606.90 and 317,399.28 is: 475,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,633.12 : 1,422,606.90 = 317,399.28 : x
  2. Step 2: Convert to fraction form
    948,633.12/1,422,606.90 = 317,399.28/x
  3. Step 3: Cross multiply
    948,633.12x = 1,422,606.90 × 317,399.28
  4. Step 4: Simplify right side
    948,633.12x = 451,534,405,783.03
  5. Step 5: Solve for x
    x = 451,534,405,783.03/948,633.12
  6. Step 6: Final answer
    x = 475,984.23

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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.