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Finding the Fourth Proportional to 505,613.39, 758,126.66 and 239,371.65

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Solution

The fourth proportional to 505,613.39, 758,126.66 and 239,371.65 is: 358,918.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,613.39 : 758,126.66 = 239,371.65 : x
  2. Step 2: Convert to fraction form
    505,613.39/758,126.66 = 239,371.65/x
  3. Step 3: Cross multiply
    505,613.39x = 758,126.66 × 239,371.65
  4. Step 4: Simplify right side
    505,613.39x = 181,474,028,316.33
  5. Step 5: Solve for x
    x = 181,474,028,316.33/505,613.39
  6. Step 6: Final answer
    x = 358,918.56

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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.