Home / 968,200.32-1,336,133.60-538,480.68

Finding the Fourth Proportional to 968,200.32, 1,336,133.60 and 538,480.68

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Solution

The fourth proportional to 968,200.32, 1,336,133.60 and 538,480.68 is: 743,112.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,200.32 : 1,336,133.60 = 538,480.68 : x
  2. Step 2: Convert to fraction form
    968,200.32/1,336,133.60 = 538,480.68/x
  3. Step 3: Cross multiply
    968,200.32x = 1,336,133.60 × 538,480.68
  4. Step 4: Simplify right side
    968,200.32x = 719,482,129,498.85
  5. Step 5: Solve for x
    x = 719,482,129,498.85/968,200.32
  6. Step 6: Final answer
    x = 743,112.88

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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.