Home / 792,777.60-1,188,291.60-438,046.20

Finding the Fourth Proportional to 792,777.60, 1,188,291.60 and 438,046.20

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Solution

The fourth proportional to 792,777.60, 1,188,291.60 and 438,046.20 is: 656,585.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,777.60 : 1,188,291.60 = 438,046.20 : x
  2. Step 2: Convert to fraction form
    792,777.60/1,188,291.60 = 438,046.20/x
  3. Step 3: Cross multiply
    792,777.60x = 1,188,291.60 × 438,046.20
  4. Step 4: Simplify right side
    792,777.60x = 520,526,619,871.92
  5. Step 5: Solve for x
    x = 520,526,619,871.92/792,777.60
  6. Step 6: Final answer
    x = 656,585.93

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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.