Home / 792,138.60-1,188,207.90-365,673.60

Finding the Fourth Proportional to 792,138.60, 1,188,207.90 and 365,673.60

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Solution

The fourth proportional to 792,138.60, 1,188,207.90 and 365,673.60 is: 548,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,138.60 : 1,188,207.90 = 365,673.60 : x
  2. Step 2: Convert to fraction form
    792,138.60/1,188,207.90 = 365,673.60/x
  3. Step 3: Cross multiply
    792,138.60x = 1,188,207.90 × 365,673.60
  4. Step 4: Simplify right side
    792,138.60x = 434,496,260,341.44
  5. Step 5: Solve for x
    x = 434,496,260,341.44/792,138.60
  6. Step 6: Final answer
    x = 548,510.40

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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.