Home / 968,200.46-1,336,163.95-538,471.36

Finding the Fourth Proportional to 968,200.46, 1,336,163.95 and 538,471.36

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Solution

The fourth proportional to 968,200.46, 1,336,163.95 and 538,471.36 is: 743,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,200.46 : 1,336,163.95 = 538,471.36 : x
  2. Step 2: Convert to fraction form
    968,200.46/1,336,163.95 = 538,471.36/x
  3. Step 3: Cross multiply
    968,200.46x = 1,336,163.95 × 538,471.36
  4. Step 4: Simplify right side
    968,200.46x = 719,486,021,682.77
  5. Step 5: Solve for x
    x = 719,486,021,682.77/968,200.46
  6. Step 6: Final answer
    x = 743,116.79

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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.