Home / 792,808.20-1,189,564.65-320,416.20

Finding the Fourth Proportional to 792,808.20, 1,189,564.65 and 320,416.20

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Solution

The fourth proportional to 792,808.20, 1,189,564.65 and 320,416.20 is: 480,766.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,808.20 : 1,189,564.65 = 320,416.20 : x
  2. Step 2: Convert to fraction form
    792,808.20/1,189,564.65 = 320,416.20/x
  3. Step 3: Cross multiply
    792,808.20x = 1,189,564.65 × 320,416.20
  4. Step 4: Simplify right side
    792,808.20x = 381,155,784,807.33
  5. Step 5: Solve for x
    x = 381,155,784,807.33/792,808.20
  6. Step 6: Final answer
    x = 480,766.70

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Double scale
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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.