Home / 908,399.28-1,253,579.41-494,953.29

Finding the Fourth Proportional to 908,399.28, 1,253,579.41 and 494,953.29

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Solution

The fourth proportional to 908,399.28, 1,253,579.41 and 494,953.29 is: 683,029.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,399.28 : 1,253,579.41 = 494,953.29 : x
  2. Step 2: Convert to fraction form
    908,399.28/1,253,579.41 = 494,953.29/x
  3. Step 3: Cross multiply
    908,399.28x = 1,253,579.41 × 494,953.29
  4. Step 4: Simplify right side
    908,399.28x = 620,463,253,255.76
  5. Step 5: Solve for x
    x = 620,463,253,255.76/908,399.28
  6. Step 6: Final answer
    x = 683,029.22

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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.