Home / 767,501.78-1,151,255.46-235,020.65

Finding the Fourth Proportional to 767,501.78, 1,151,255.46 and 235,020.65

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Solution

The fourth proportional to 767,501.78, 1,151,255.46 and 235,020.65 is: 352,531.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,501.78 : 1,151,255.46 = 235,020.65 : x
  2. Step 2: Convert to fraction form
    767,501.78/1,151,255.46 = 235,020.65/x
  3. Step 3: Cross multiply
    767,501.78x = 1,151,255.46 × 235,020.65
  4. Step 4: Simplify right side
    767,501.78x = 270,568,806,525.25
  5. Step 5: Solve for x
    x = 270,568,806,525.25/767,501.78
  6. Step 6: Final answer
    x = 352,531.83

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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.