Home / 798,155.40-1,197,233.10-378,251.40

Finding the Fourth Proportional to 798,155.40, 1,197,233.10 and 378,251.40

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Solution

The fourth proportional to 798,155.40, 1,197,233.10 and 378,251.40 is: 567,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,155.40 : 1,197,233.10 = 378,251.40 : x
  2. Step 2: Convert to fraction form
    798,155.40/1,197,233.10 = 378,251.40/x
  3. Step 3: Cross multiply
    798,155.40x = 1,197,233.10 × 378,251.40
  4. Step 4: Simplify right side
    798,155.40x = 452,855,096,201.34
  5. Step 5: Solve for x
    x = 452,855,096,201.34/798,155.40
  6. Step 6: Final answer
    x = 567,377.10

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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.