Home / 801,611.68-1,106,423.76-462,284.32

Finding the Fourth Proportional to 801,611.68, 1,106,423.76 and 462,284.32

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Solution

The fourth proportional to 801,611.68, 1,106,423.76 and 462,284.32 is: 638,067.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,611.68 : 1,106,423.76 = 462,284.32 : x
  2. Step 2: Convert to fraction form
    801,611.68/1,106,423.76 = 462,284.32/x
  3. Step 3: Cross multiply
    801,611.68x = 1,106,423.76 × 462,284.32
  4. Step 4: Simplify right side
    801,611.68x = 511,482,355,523.44
  5. Step 5: Solve for x
    x = 511,482,355,523.44/801,611.68
  6. Step 6: Final answer
    x = 638,067.49

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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.