Home / 766,852.65-1,150,279.79-765,745.11

Finding the Fourth Proportional to 766,852.65, 1,150,279.79 and 765,745.11

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Solution

The fourth proportional to 766,852.65, 1,150,279.79 and 765,745.11 is: 1,148,618.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,852.65 : 1,150,279.79 = 765,745.11 : x
  2. Step 2: Convert to fraction form
    766,852.65/1,150,279.79 = 765,745.11/x
  3. Step 3: Cross multiply
    766,852.65x = 1,150,279.79 × 765,745.11
  4. Step 4: Simplify right side
    766,852.65x = 880,821,120,495.60
  5. Step 5: Solve for x
    x = 880,821,120,495.60/766,852.65
  6. Step 6: Final answer
    x = 1,148,618.47

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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.