Home / 697,999.76-1,046,988.12-172,687.76

Finding the Fourth Proportional to 697,999.76, 1,046,988.12 and 172,687.76

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Solution

The fourth proportional to 697,999.76, 1,046,988.12 and 172,687.76 is: 259,028.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,999.76 : 1,046,988.12 = 172,687.76 : x
  2. Step 2: Convert to fraction form
    697,999.76/1,046,988.12 = 172,687.76/x
  3. Step 3: Cross multiply
    697,999.76x = 1,046,988.12 × 172,687.76
  4. Step 4: Simplify right side
    697,999.76x = 180,802,033,189.41
  5. Step 5: Solve for x
    x = 180,802,033,189.41/697,999.76
  6. Step 6: Final answer
    x = 259,028.79

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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.