Home / 746,972.19-1,120,465.98-214,491.96

Finding the Fourth Proportional to 746,972.19, 1,120,465.98 and 214,491.96

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Solution

The fourth proportional to 746,972.19, 1,120,465.98 and 214,491.96 is: 321,740.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,972.19 : 1,120,465.98 = 214,491.96 : x
  2. Step 2: Convert to fraction form
    746,972.19/1,120,465.98 = 214,491.96/x
  3. Step 3: Cross multiply
    746,972.19x = 1,120,465.98 × 214,491.96
  4. Step 4: Simplify right side
    746,972.19x = 240,330,944,163.52
  5. Step 5: Solve for x
    x = 240,330,944,163.52/746,972.19
  6. Step 6: Final answer
    x = 321,740.15

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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.