Home / 961,006.91-1,326,217.21-531,314.72

Finding the Fourth Proportional to 961,006.91, 1,326,217.21 and 531,314.72

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Solution

The fourth proportional to 961,006.91, 1,326,217.21 and 531,314.72 is: 733,229.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,006.91 : 1,326,217.21 = 531,314.72 : x
  2. Step 2: Convert to fraction form
    961,006.91/1,326,217.21 = 531,314.72/x
  3. Step 3: Cross multiply
    961,006.91x = 1,326,217.21 × 531,314.72
  4. Step 4: Simplify right side
    961,006.91x = 704,638,717,630.96
  5. Step 5: Solve for x
    x = 704,638,717,630.96/961,006.91
  6. Step 6: Final answer
    x = 733,229.61

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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.