Home / 697,356.18-1,046,029.41-198,720.18

Finding the Fourth Proportional to 697,356.18, 1,046,029.41 and 198,720.18

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Solution

The fourth proportional to 697,356.18, 1,046,029.41 and 198,720.18 is: 298,078.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,356.18 : 1,046,029.41 = 198,720.18 : x
  2. Step 2: Convert to fraction form
    697,356.18/1,046,029.41 = 198,720.18/x
  3. Step 3: Cross multiply
    697,356.18x = 1,046,029.41 × 198,720.18
  4. Step 4: Simplify right side
    697,356.18x = 207,867,152,640.49
  5. Step 5: Solve for x
    x = 207,867,152,640.49/697,356.18
  6. Step 6: Final answer
    x = 298,078.89

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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.