Home / 767,087.78-1,150,631.53-728,731.55

Finding the Fourth Proportional to 767,087.78, 1,150,631.53 and 728,731.55

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Solution

The fourth proportional to 767,087.78, 1,150,631.53 and 728,731.55 is: 1,093,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,087.78 : 1,150,631.53 = 728,731.55 : x
  2. Step 2: Convert to fraction form
    767,087.78/1,150,631.53 = 728,731.55/x
  3. Step 3: Cross multiply
    767,087.78x = 1,150,631.53 × 728,731.55
  4. Step 4: Simplify right side
    767,087.78x = 838,501,499,390.52
  5. Step 5: Solve for x
    x = 838,501,499,390.52/767,087.78
  6. Step 6: Final answer
    x = 1,093,097.20

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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.