Home / 747,578.70-1,121,539.77-215,104.14

Finding the Fourth Proportional to 747,578.70, 1,121,539.77 and 215,104.14

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Solution

The fourth proportional to 747,578.70, 1,121,539.77 and 215,104.14 is: 322,705.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,578.70 : 1,121,539.77 = 215,104.14 : x
  2. Step 2: Convert to fraction form
    747,578.70/1,121,539.77 = 215,104.14/x
  3. Step 3: Cross multiply
    747,578.70x = 1,121,539.77 × 215,104.14
  4. Step 4: Simplify right side
    747,578.70x = 241,247,847,701.65
  5. Step 5: Solve for x
    x = 241,247,847,701.65/747,578.70
  6. Step 6: Final answer
    x = 322,705.62

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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.