Home / 681,811.40-1,022,717.10-492,854.60

Finding the Fourth Proportional to 681,811.40, 1,022,717.10 and 492,854.60

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Solution

The fourth proportional to 681,811.40, 1,022,717.10 and 492,854.60 is: 739,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,811.40 : 1,022,717.10 = 492,854.60 : x
  2. Step 2: Convert to fraction form
    681,811.40/1,022,717.10 = 492,854.60/x
  3. Step 3: Cross multiply
    681,811.40x = 1,022,717.10 × 492,854.60
  4. Step 4: Simplify right side
    681,811.40x = 504,050,827,233.66
  5. Step 5: Solve for x
    x = 504,050,827,233.66/681,811.40
  6. Step 6: Final answer
    x = 739,281.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.