Home / 659,514.39-988,764.68-335,035.72

Finding the Fourth Proportional to 659,514.39, 988,764.68 and 335,035.72

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Solution

The fourth proportional to 659,514.39, 988,764.68 and 335,035.72 is: 502,296.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,514.39 : 988,764.68 = 335,035.72 : x
  2. Step 2: Convert to fraction form
    659,514.39/988,764.68 = 335,035.72/x
  3. Step 3: Cross multiply
    659,514.39x = 988,764.68 × 335,035.72
  4. Step 4: Simplify right side
    659,514.39x = 331,271,484,648.05
  5. Step 5: Solve for x
    x = 331,271,484,648.05/659,514.39
  6. Step 6: Final answer
    x = 502,296.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.