Home / 808,097.25-1,212,145.86-767,689.05

Finding the Fourth Proportional to 808,097.25, 1,212,145.86 and 767,689.05

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Solution

The fourth proportional to 808,097.25, 1,212,145.86 and 767,689.05 is: 1,151,533.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,097.25 : 1,212,145.86 = 767,689.05 : x
  2. Step 2: Convert to fraction form
    808,097.25/1,212,145.86 = 767,689.05/x
  3. Step 3: Cross multiply
    808,097.25x = 1,212,145.86 × 767,689.05
  4. Step 4: Simplify right side
    808,097.25x = 930,551,093,825.66
  5. Step 5: Solve for x
    x = 930,551,093,825.66/808,097.25
  6. Step 6: Final answer
    x = 1,151,533.56

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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.