Home / 697,408.46-1,046,112.69-198,759.50

Finding the Fourth Proportional to 697,408.46, 1,046,112.69 and 198,759.50

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Solution

The fourth proportional to 697,408.46, 1,046,112.69 and 198,759.50 is: 298,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,408.46 : 1,046,112.69 = 198,759.50 : x
  2. Step 2: Convert to fraction form
    697,408.46/1,046,112.69 = 198,759.50/x
  3. Step 3: Cross multiply
    697,408.46x = 1,046,112.69 × 198,759.50
  4. Step 4: Simplify right side
    697,408.46x = 207,924,835,208.06
  5. Step 5: Solve for x
    x = 207,924,835,208.06/697,408.46
  6. Step 6: Final answer
    x = 298,139.25

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Similar ratio
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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.