Home / 948,010.20-1,422,015.30-629,145.60

Finding the Fourth Proportional to 948,010.20, 1,422,015.30 and 629,145.60

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Solution

The fourth proportional to 948,010.20, 1,422,015.30 and 629,145.60 is: 943,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,010.20 : 1,422,015.30 = 629,145.60 : x
  2. Step 2: Convert to fraction form
    948,010.20/1,422,015.30 = 629,145.60/x
  3. Step 3: Cross multiply
    948,010.20x = 1,422,015.30 × 629,145.60
  4. Step 4: Simplify right side
    948,010.20x = 894,654,669,127.68
  5. Step 5: Solve for x
    x = 894,654,669,127.68/948,010.20
  6. Step 6: Final answer
    x = 943,718.40

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Double scale
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Similar ratio
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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.