Home / 763,514.39-1,145,082.33-258,064.13

Finding the Fourth Proportional to 763,514.39, 1,145,082.33 and 258,064.13

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Solution

The fourth proportional to 763,514.39, 1,145,082.33 and 258,064.13 is: 387,032.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,514.39 : 1,145,082.33 = 258,064.13 : x
  2. Step 2: Convert to fraction form
    763,514.39/1,145,082.33 = 258,064.13/x
  3. Step 3: Cross multiply
    763,514.39x = 1,145,082.33 × 258,064.13
  4. Step 4: Simplify right side
    763,514.39x = 295,504,675,269.82
  5. Step 5: Solve for x
    x = 295,504,675,269.82/763,514.39
  6. Step 6: Final answer
    x = 387,032.23

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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.