Home / 520,402.24-718,145.76-294,042.88

Finding the Fourth Proportional to 520,402.24, 718,145.76 and 294,042.88

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Solution

The fourth proportional to 520,402.24, 718,145.76 and 294,042.88 is: 405,773.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,402.24 : 718,145.76 = 294,042.88 : x
  2. Step 2: Convert to fraction form
    520,402.24/718,145.76 = 294,042.88/x
  3. Step 3: Cross multiply
    520,402.24x = 718,145.76 × 294,042.88
  4. Step 4: Simplify right side
    520,402.24x = 211,165,647,530.19
  5. Step 5: Solve for x
    x = 211,165,647,530.19/520,402.24
  6. Step 6: Final answer
    x = 405,773.90

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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.