Home / 813,611.97-1,219,040.10-492,794.46

Finding the Fourth Proportional to 813,611.97, 1,219,040.10 and 492,794.46

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Solution

The fourth proportional to 813,611.97, 1,219,040.10 and 492,794.46 is: 738,357.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,611.97 : 1,219,040.10 = 492,794.46 : x
  2. Step 2: Convert to fraction form
    813,611.97/1,219,040.10 = 492,794.46/x
  3. Step 3: Cross multiply
    813,611.97x = 1,219,040.10 × 492,794.46
  4. Step 4: Simplify right side
    813,611.97x = 600,736,207,797.85
  5. Step 5: Solve for x
    x = 600,736,207,797.85/813,611.97
  6. Step 6: Final answer
    x = 738,357.14

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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.