Home / 948,171.92-1,422,259.25-387,206.42

Finding the Fourth Proportional to 948,171.92, 1,422,259.25 and 387,206.42

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Solution

The fourth proportional to 948,171.92, 1,422,259.25 and 387,206.42 is: 580,810.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,171.92 : 1,422,259.25 = 387,206.42 : x
  2. Step 2: Convert to fraction form
    948,171.92/1,422,259.25 = 387,206.42/x
  3. Step 3: Cross multiply
    948,171.92x = 1,422,259.25 × 387,206.42
  4. Step 4: Simplify right side
    948,171.92x = 550,707,912,504.39
  5. Step 5: Solve for x
    x = 550,707,912,504.39/948,171.92
  6. Step 6: Final answer
    x = 580,810.19

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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.