Home / 961,642.47-1,326,983.94-531,815.61

Finding the Fourth Proportional to 961,642.47, 1,326,983.94 and 531,815.61

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Solution

The fourth proportional to 961,642.47, 1,326,983.94 and 531,815.61 is: 733,859.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,642.47 : 1,326,983.94 = 531,815.61 : x
  2. Step 2: Convert to fraction form
    961,642.47/1,326,983.94 = 531,815.61/x
  3. Step 3: Cross multiply
    961,642.47x = 1,326,983.94 × 531,815.61
  4. Step 4: Simplify right side
    961,642.47x = 705,710,773,511.30
  5. Step 5: Solve for x
    x = 705,710,773,511.30/961,642.47
  6. Step 6: Final answer
    x = 733,859.82

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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.