Home / 947,886.68-1,308,086.22-518,171.96

Finding the Fourth Proportional to 947,886.68, 1,308,086.22 and 518,171.96

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Solution

The fourth proportional to 947,886.68, 1,308,086.22 and 518,171.96 is: 715,078.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,886.68 : 1,308,086.22 = 518,171.96 : x
  2. Step 2: Convert to fraction form
    947,886.68/1,308,086.22 = 518,171.96/x
  3. Step 3: Cross multiply
    947,886.68x = 1,308,086.22 × 518,171.96
  4. Step 4: Simplify right side
    947,886.68x = 677,813,600,466.39
  5. Step 5: Solve for x
    x = 677,813,600,466.39/947,886.68
  6. Step 6: Final answer
    x = 715,078.73

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1.5x scale

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.