Home / 875,516.78-1,207,407.39-552,668.78

Finding the Fourth Proportional to 875,516.78, 1,207,407.39 and 552,668.78

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Solution

The fourth proportional to 875,516.78, 1,207,407.39 and 552,668.78 is: 762,174.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,516.78 : 1,207,407.39 = 552,668.78 : x
  2. Step 2: Convert to fraction form
    875,516.78/1,207,407.39 = 552,668.78/x
  3. Step 3: Cross multiply
    875,516.78x = 1,207,407.39 × 552,668.78
  4. Step 4: Simplify right side
    875,516.78x = 667,296,369,194.28
  5. Step 5: Solve for x
    x = 667,296,369,194.28/875,516.78
  6. Step 6: Final answer
    x = 762,174.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.