Home / 961,641.72-1,326,982.91-531,814.86

Finding the Fourth Proportional to 961,641.72, 1,326,982.91 and 531,814.86

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Solution

The fourth proportional to 961,641.72, 1,326,982.91 and 531,814.86 is: 733,858.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,641.72 : 1,326,982.91 = 531,814.86 : x
  2. Step 2: Convert to fraction form
    961,641.72/1,326,982.91 = 531,814.86/x
  3. Step 3: Cross multiply
    961,641.72x = 1,326,982.91 × 531,814.86
  4. Step 4: Simplify right side
    961,641.72x = 705,709,227,844.97
  5. Step 5: Solve for x
    x = 705,709,227,844.97/961,641.72
  6. Step 6: Final answer
    x = 733,858.79

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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.