Home / 874,908.28-1,207,367.94-493,057.72

Finding the Fourth Proportional to 874,908.28, 1,207,367.94 and 493,057.72

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Solution

The fourth proportional to 874,908.28, 1,207,367.94 and 493,057.72 is: 680,416.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,908.28 : 1,207,367.94 = 493,057.72 : x
  2. Step 2: Convert to fraction form
    874,908.28/1,207,367.94 = 493,057.72/x
  3. Step 3: Cross multiply
    874,908.28x = 1,207,367.94 × 493,057.72
  4. Step 4: Simplify right side
    874,908.28x = 595,302,083,697.50
  5. Step 5: Solve for x
    x = 595,302,083,697.50/874,908.28
  6. Step 6: Final answer
    x = 680,416.56

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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.