Home / 490,916.64-677,460.71-276,052.13

Finding the Fourth Proportional to 490,916.64, 677,460.71 and 276,052.13

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Solution

The fourth proportional to 490,916.64, 677,460.71 and 276,052.13 is: 380,949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,916.64 : 677,460.71 = 276,052.13 : x
  2. Step 2: Convert to fraction form
    490,916.64/677,460.71 = 276,052.13/x
  3. Step 3: Cross multiply
    490,916.64x = 677,460.71 × 276,052.13
  4. Step 4: Simplify right side
    490,916.64x = 187,014,467,219.25
  5. Step 5: Solve for x
    x = 187,014,467,219.25/490,916.64
  6. Step 6: Final answer
    x = 380,949.54

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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.