Home / 813,023.07-1,213,734.41-758,993.10

Finding the Fourth Proportional to 813,023.07, 1,213,734.41 and 758,993.10

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Solution

The fourth proportional to 813,023.07, 1,213,734.41 and 758,993.10 is: 1,133,074.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,023.07 : 1,213,734.41 = 758,993.10 : x
  2. Step 2: Convert to fraction form
    813,023.07/1,213,734.41 = 758,993.10/x
  3. Step 3: Cross multiply
    813,023.07x = 1,213,734.41 × 758,993.10
  4. Step 4: Simplify right side
    813,023.07x = 921,216,042,422.57
  5. Step 5: Solve for x
    x = 921,216,042,422.57/813,023.07
  6. Step 6: Final answer
    x = 1,133,074.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.