Home / 947,882.28-1,308,074.58-518,162.60

Finding the Fourth Proportional to 947,882.28, 1,308,074.58 and 518,162.60

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Solution

The fourth proportional to 947,882.28, 1,308,074.58 and 518,162.60 is: 715,062.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,882.28 : 1,308,074.58 = 518,162.60 : x
  2. Step 2: Convert to fraction form
    947,882.28/1,308,074.58 = 518,162.60/x
  3. Step 3: Cross multiply
    947,882.28x = 1,308,074.58 × 518,162.60
  4. Step 4: Simplify right side
    947,882.28x = 677,795,325,366.71
  5. Step 5: Solve for x
    x = 677,795,325,366.71/947,882.28
  6. Step 6: Final answer
    x = 715,062.77

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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.