Home / 948,371.90-1,422,261.69-317,138.30

Finding the Fourth Proportional to 948,371.90, 1,422,261.69 and 317,138.30

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Solution

The fourth proportional to 948,371.90, 1,422,261.69 and 317,138.30 is: 475,608.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,371.90 : 1,422,261.69 = 317,138.30 : x
  2. Step 2: Convert to fraction form
    948,371.90/1,422,261.69 = 317,138.30/x
  3. Step 3: Cross multiply
    948,371.90x = 1,422,261.69 × 317,138.30
  4. Step 4: Simplify right side
    948,371.90x = 451,053,654,521.73
  5. Step 5: Solve for x
    x = 451,053,654,521.73/948,371.90
  6. Step 6: Final answer
    x = 475,608.41

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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.