Home / 852,807.42-1,278,938.97-347,367.42

Finding the Fourth Proportional to 852,807.42, 1,278,938.97 and 347,367.42

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Solution

The fourth proportional to 852,807.42, 1,278,938.97 and 347,367.42 is: 520,940.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,807.42 : 1,278,938.97 = 347,367.42 : x
  2. Step 2: Convert to fraction form
    852,807.42/1,278,938.97 = 347,367.42/x
  3. Step 3: Cross multiply
    852,807.42x = 1,278,938.97 × 347,367.42
  4. Step 4: Simplify right side
    852,807.42x = 444,261,730,346.36
  5. Step 5: Solve for x
    x = 444,261,730,346.36/852,807.42
  6. Step 6: Final answer
    x = 520,940.27

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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.