Home / 961,006.30-1,326,131.75-531,260.80

Finding the Fourth Proportional to 961,006.30, 1,326,131.75 and 531,260.80

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Solution

The fourth proportional to 961,006.30, 1,326,131.75 and 531,260.80 is: 733,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,006.30 : 1,326,131.75 = 531,260.80 : x
  2. Step 2: Convert to fraction form
    961,006.30/1,326,131.75 = 531,260.80/x
  3. Step 3: Cross multiply
    961,006.30x = 1,326,131.75 × 531,260.80
  4. Step 4: Simplify right side
    961,006.30x = 704,521,813,164.63
  5. Step 5: Solve for x
    x = 704,521,813,164.63/961,006.30
  6. Step 6: Final answer
    x = 733,108.42

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1.5x scale

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.