Home / 746,759.35-1,120,110.17-214,280.34

Finding the Fourth Proportional to 746,759.35, 1,120,110.17 and 214,280.34

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Solution

The fourth proportional to 746,759.35, 1,120,110.17 and 214,280.34 is: 321,412.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,759.35 : 1,120,110.17 = 214,280.34 : x
  2. Step 2: Convert to fraction form
    746,759.35/1,120,110.17 = 214,280.34/x
  3. Step 3: Cross multiply
    746,759.35x = 1,120,110.17 × 214,280.34
  4. Step 4: Simplify right side
    746,759.35x = 240,017,583,998.57
  5. Step 5: Solve for x
    x = 240,017,583,998.57/746,759.35
  6. Step 6: Final answer
    x = 321,412.22

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1.5x scale

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.