Home / 961,721.72-1,442,713.82-400,625

Finding the Fourth Proportional to 961,721.72, 1,442,713.82 and 400,625

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Solution

The fourth proportional to 961,721.72, 1,442,713.82 and 400,625 is: 600,992.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,721.72 : 1,442,713.82 = 400,625 : x
  2. Step 2: Convert to fraction form
    961,721.72/1,442,713.82 = 400,625/x
  3. Step 3: Cross multiply
    961,721.72x = 1,442,713.82 × 400,625
  4. Step 4: Simplify right side
    961,721.72x = 577,987,224,137.50
  5. Step 5: Solve for x
    x = 577,987,224,137.50/961,721.72
  6. Step 6: Final answer
    x = 600,992.17

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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.