Home / 690,091.50-1,034,297.92-369,455.43

Finding the Fourth Proportional to 690,091.50, 1,034,297.92 and 369,455.43

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Solution

The fourth proportional to 690,091.50, 1,034,297.92 and 369,455.43 is: 553,733.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,091.50 : 1,034,297.92 = 369,455.43 : x
  2. Step 2: Convert to fraction form
    690,091.50/1,034,297.92 = 369,455.43/x
  3. Step 3: Cross multiply
    690,091.50x = 1,034,297.92 × 369,455.43
  4. Step 4: Simplify right side
    690,091.50x = 382,126,982,781.71
  5. Step 5: Solve for x
    x = 382,126,982,781.71/690,091.50
  6. Step 6: Final answer
    x = 553,733.79

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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.