Home / 792,765.60-1,188,273.60-438,034.20

Finding the Fourth Proportional to 792,765.60, 1,188,273.60 and 438,034.20

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Solution

The fourth proportional to 792,765.60, 1,188,273.60 and 438,034.20 is: 656,567.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,765.60 : 1,188,273.60 = 438,034.20 : x
  2. Step 2: Convert to fraction form
    792,765.60/1,188,273.60 = 438,034.20/x
  3. Step 3: Cross multiply
    792,765.60x = 1,188,273.60 × 438,034.20
  4. Step 4: Simplify right side
    792,765.60x = 520,504,475,757.12
  5. Step 5: Solve for x
    x = 520,504,475,757.12/792,765.60
  6. Step 6: Final answer
    x = 656,567.94

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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.