Home / 968,200.78-1,336,164.38-538,471.68

Finding the Fourth Proportional to 968,200.78, 1,336,164.38 and 538,471.68

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Solution

The fourth proportional to 968,200.78, 1,336,164.38 and 538,471.68 is: 743,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,200.78 : 1,336,164.38 = 538,471.68 : x
  2. Step 2: Convert to fraction form
    968,200.78/1,336,164.38 = 538,471.68/x
  3. Step 3: Cross multiply
    968,200.78x = 1,336,164.38 × 538,471.68
  4. Step 4: Simplify right side
    968,200.78x = 719,486,678,454.76
  5. Step 5: Solve for x
    x = 719,486,678,454.76/968,200.78
  6. Step 6: Final answer
    x = 743,117.23

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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.