Home / 792,416.40-1,189,499.40-493,234.80

Finding the Fourth Proportional to 792,416.40, 1,189,499.40 and 493,234.80

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Solution

The fourth proportional to 792,416.40, 1,189,499.40 and 493,234.80 is: 740,396.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,416.40 : 1,189,499.40 = 493,234.80 : x
  2. Step 2: Convert to fraction form
    792,416.40/1,189,499.40 = 493,234.80/x
  3. Step 3: Cross multiply
    792,416.40x = 1,189,499.40 × 493,234.80
  4. Step 4: Simplify right side
    792,416.40x = 586,702,498,659.12
  5. Step 5: Solve for x
    x = 586,702,498,659.12/792,416.40
  6. Step 6: Final answer
    x = 740,396.71

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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.