Home / 951,021.26-1,312,442.97-521,301.28

Finding the Fourth Proportional to 951,021.26, 1,312,442.97 and 521,301.28

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Solution

The fourth proportional to 951,021.26, 1,312,442.97 and 521,301.28 is: 719,414.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,021.26 : 1,312,442.97 = 521,301.28 : x
  2. Step 2: Convert to fraction form
    951,021.26/1,312,442.97 = 521,301.28/x
  3. Step 3: Cross multiply
    951,021.26x = 1,312,442.97 × 521,301.28
  4. Step 4: Simplify right side
    951,021.26x = 684,178,193,625.79
  5. Step 5: Solve for x
    x = 684,178,193,625.79/951,021.26
  6. Step 6: Final answer
    x = 719,414.19

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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.