Home / 961,448.88-1,326,790.94-531,719.76

Finding the Fourth Proportional to 961,448.88, 1,326,790.94 and 531,719.76

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Solution

The fourth proportional to 961,448.88, 1,326,790.94 and 531,719.76 is: 733,768.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,448.88 : 1,326,790.94 = 531,719.76 : x
  2. Step 2: Convert to fraction form
    961,448.88/1,326,790.94 = 531,719.76/x
  3. Step 3: Cross multiply
    961,448.88x = 1,326,790.94 × 531,719.76
  4. Step 4: Simplify right side
    961,448.88x = 705,480,960,186.97
  5. Step 5: Solve for x
    x = 705,480,960,186.97/961,448.88
  6. Step 6: Final answer
    x = 733,768.56

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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.