Home / 707,763.27-1,062,101.61-258,446.49

Finding the Fourth Proportional to 707,763.27, 1,062,101.61 and 258,446.49

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Solution

The fourth proportional to 707,763.27, 1,062,101.61 and 258,446.49 is: 387,836.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,763.27 : 1,062,101.61 = 258,446.49 : x
  2. Step 2: Convert to fraction form
    707,763.27/1,062,101.61 = 258,446.49/x
  3. Step 3: Cross multiply
    707,763.27x = 1,062,101.61 × 258,446.49
  4. Step 4: Simplify right side
    707,763.27x = 274,496,433,127.85
  5. Step 5: Solve for x
    x = 274,496,433,127.85/707,763.27
  6. Step 6: Final answer
    x = 387,836.51

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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.