Home / 848,147.28-1,272,346.92-279,423.42

Finding the Fourth Proportional to 848,147.28, 1,272,346.92 and 279,423.42

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Solution

The fourth proportional to 848,147.28, 1,272,346.92 and 279,423.42 is: 419,176.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,147.28 : 1,272,346.92 = 279,423.42 : x
  2. Step 2: Convert to fraction form
    848,147.28/1,272,346.92 = 279,423.42/x
  3. Step 3: Cross multiply
    848,147.28x = 1,272,346.92 × 279,423.42
  4. Step 4: Simplify right side
    848,147.28x = 355,523,527,812.87
  5. Step 5: Solve for x
    x = 355,523,527,812.87/848,147.28
  6. Step 6: Final answer
    x = 419,176.64

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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.