Home / 491,022.60-677,533.08-276,121.14

Finding the Fourth Proportional to 491,022.60, 677,533.08 and 276,121.14

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Solution

The fourth proportional to 491,022.60, 677,533.08 and 276,121.14 is: 381,003.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,022.60 : 677,533.08 = 276,121.14 : x
  2. Step 2: Convert to fraction form
    491,022.60/677,533.08 = 276,121.14/x
  3. Step 3: Cross multiply
    491,022.60x = 677,533.08 × 276,121.14
  4. Step 4: Simplify right side
    491,022.60x = 187,081,206,437.31
  5. Step 5: Solve for x
    x = 187,081,206,437.31/491,022.60
  6. Step 6: Final answer
    x = 381,003.25

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1.5x scale

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.