Home / 767,500.78-1,151,253.96-235,019.65

Finding the Fourth Proportional to 767,500.78, 1,151,253.96 and 235,019.65

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Solution

The fourth proportional to 767,500.78, 1,151,253.96 and 235,019.65 is: 352,530.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,500.78 : 1,151,253.96 = 235,019.65 : x
  2. Step 2: Convert to fraction form
    767,500.78/1,151,253.96 = 235,019.65/x
  3. Step 3: Cross multiply
    767,500.78x = 1,151,253.96 × 235,019.65
  4. Step 4: Simplify right side
    767,500.78x = 270,567,302,740.31
  5. Step 5: Solve for x
    x = 270,567,302,740.31/767,500.78
  6. Step 6: Final answer
    x = 352,530.33

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Double scale
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Similar ratio
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1.5x scale

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.