Home / 641,539.25-961,246.26-451,069.04

Finding the Fourth Proportional to 641,539.25, 961,246.26 and 451,069.04

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Solution

The fourth proportional to 641,539.25, 961,246.26 and 451,069.04 is: 675,856.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,539.25 : 961,246.26 = 451,069.04 : x
  2. Step 2: Convert to fraction form
    641,539.25/961,246.26 = 451,069.04/x
  3. Step 3: Cross multiply
    641,539.25x = 961,246.26 × 451,069.04
  4. Step 4: Simplify right side
    641,539.25x = 433,588,422,895.56
  5. Step 5: Solve for x
    x = 433,588,422,895.56/641,539.25
  6. Step 6: Final answer
    x = 675,856.43

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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.