Home / 697,370.32-1,046,231.16-198,732.88

Finding the Fourth Proportional to 697,370.32, 1,046,231.16 and 198,732.88

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Solution

The fourth proportional to 697,370.32, 1,046,231.16 and 198,732.88 is: 298,149.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,370.32 : 1,046,231.16 = 198,732.88 : x
  2. Step 2: Convert to fraction form
    697,370.32/1,046,231.16 = 198,732.88/x
  3. Step 3: Cross multiply
    697,370.32x = 1,046,231.16 × 198,732.88
  4. Step 4: Simplify right side
    697,370.32x = 207,920,531,572.54
  5. Step 5: Solve for x
    x = 207,920,531,572.54/697,370.32
  6. Step 6: Final answer
    x = 298,149.38

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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.