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Finding the Fourth Proportional to 679,481.75, 937,660.92 and 373,555.92

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Solution

The fourth proportional to 679,481.75, 937,660.92 and 373,555.92 is: 515,494.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,481.75 : 937,660.92 = 373,555.92 : x
  2. Step 2: Convert to fraction form
    679,481.75/937,660.92 = 373,555.92/x
  3. Step 3: Cross multiply
    679,481.75x = 937,660.92 × 373,555.92
  4. Step 4: Simplify right side
    679,481.75x = 350,268,787,618.65
  5. Step 5: Solve for x
    x = 350,268,787,618.65/679,481.75
  6. Step 6: Final answer
    x = 515,494.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.