Home / 681,617.13-1,022,428.14-208,300.53

Finding the Fourth Proportional to 681,617.13, 1,022,428.14 and 208,300.53

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Solution

The fourth proportional to 681,617.13, 1,022,428.14 and 208,300.53 is: 312,451.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,617.13 : 1,022,428.14 = 208,300.53 : x
  2. Step 2: Convert to fraction form
    681,617.13/1,022,428.14 = 208,300.53/x
  3. Step 3: Cross multiply
    681,617.13x = 1,022,428.14 × 208,300.53
  4. Step 4: Simplify right side
    681,617.13x = 212,972,323,448.91
  5. Step 5: Solve for x
    x = 212,972,323,448.91/681,617.13
  6. Step 6: Final answer
    x = 312,451.54

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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.