Home / 798,170.40-1,197,255.60-378,266.40

Finding the Fourth Proportional to 798,170.40, 1,197,255.60 and 378,266.40

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Solution

The fourth proportional to 798,170.40, 1,197,255.60 and 378,266.40 is: 567,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,170.40 : 1,197,255.60 = 378,266.40 : x
  2. Step 2: Convert to fraction form
    798,170.40/1,197,255.60 = 378,266.40/x
  3. Step 3: Cross multiply
    798,170.40x = 1,197,255.60 × 378,266.40
  4. Step 4: Simplify right side
    798,170.40x = 452,881,565,691.84
  5. Step 5: Solve for x
    x = 452,881,565,691.84/798,170.40
  6. Step 6: Final answer
    x = 567,399.60

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Half scale
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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.