Home / 808,097.75-1,212,146.61-767,689.55

Finding the Fourth Proportional to 808,097.75, 1,212,146.61 and 767,689.55

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Solution

The fourth proportional to 808,097.75, 1,212,146.61 and 767,689.55 is: 1,151,534.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,097.75 : 1,212,146.61 = 767,689.55 : x
  2. Step 2: Convert to fraction form
    808,097.75/1,212,146.61 = 767,689.55/x
  3. Step 3: Cross multiply
    808,097.75x = 1,212,146.61 × 767,689.55
  4. Step 4: Simplify right side
    808,097.75x = 930,552,275,665.75
  5. Step 5: Solve for x
    x = 930,552,275,665.75/808,097.75
  6. Step 6: Final answer
    x = 1,151,534.31

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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.