Home / 968,190.80-1,336,120.47-538,471.13

Finding the Fourth Proportional to 968,190.80, 1,336,120.47 and 538,471.13

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Solution

The fourth proportional to 968,190.80, 1,336,120.47 and 538,471.13 is: 743,099.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,190.80 : 1,336,120.47 = 538,471.13 : x
  2. Step 2: Convert to fraction form
    968,190.80/1,336,120.47 = 538,471.13/x
  3. Step 3: Cross multiply
    968,190.80x = 1,336,120.47 × 538,471.13
  4. Step 4: Simplify right side
    968,190.80x = 719,462,299,297.03
  5. Step 5: Solve for x
    x = 719,462,299,297.03/968,190.80
  6. Step 6: Final answer
    x = 743,099.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.