Home / 417,598.36-576,286.26-226,615

Finding the Fourth Proportional to 417,598.36, 576,286.26 and 226,615

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Solution

The fourth proportional to 417,598.36, 576,286.26 and 226,615 is: 312,728.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,598.36 : 576,286.26 = 226,615 : x
  2. Step 2: Convert to fraction form
    417,598.36/576,286.26 = 226,615/x
  3. Step 3: Cross multiply
    417,598.36x = 576,286.26 × 226,615
  4. Step 4: Simplify right side
    417,598.36x = 130,595,110,809.90
  5. Step 5: Solve for x
    x = 130,595,110,809.90/417,598.36
  6. Step 6: Final answer
    x = 312,728.98

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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.