Home / 948,031.20-1,422,241.20-317,397.60

Finding the Fourth Proportional to 948,031.20, 1,422,241.20 and 317,397.60

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Solution

The fourth proportional to 948,031.20, 1,422,241.20 and 317,397.60 is: 476,161.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,031.20 : 1,422,241.20 = 317,397.60 : x
  2. Step 2: Convert to fraction form
    948,031.20/1,422,241.20 = 317,397.60/x
  3. Step 3: Cross multiply
    948,031.20x = 1,422,241.20 × 317,397.60
  4. Step 4: Simplify right side
    948,031.20x = 451,415,943,501.12
  5. Step 5: Solve for x
    x = 451,415,943,501.12/948,031.20
  6. Step 6: Final answer
    x = 476,161.48

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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.