Home / 801,620.68-1,106,436.18-462,293.32

Finding the Fourth Proportional to 801,620.68, 1,106,436.18 and 462,293.32

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Solution

The fourth proportional to 801,620.68, 1,106,436.18 and 462,293.32 is: 638,079.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,620.68 : 1,106,436.18 = 462,293.32 : x
  2. Step 2: Convert to fraction form
    801,620.68/1,106,436.18 = 462,293.32/x
  3. Step 3: Cross multiply
    801,620.68x = 1,106,436.18 × 462,293.32
  4. Step 4: Simplify right side
    801,620.68x = 511,498,055,020.32
  5. Step 5: Solve for x
    x = 511,498,055,020.32/801,620.68
  6. Step 6: Final answer
    x = 638,079.91

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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.