Home / 746,641.83-1,120,128.60-214,121.91

Finding the Fourth Proportional to 746,641.83, 1,120,128.60 and 214,121.91

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Solution

The fourth proportional to 746,641.83, 1,120,128.60 and 214,121.91 is: 321,230.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,641.83 : 1,120,128.60 = 214,121.91 : x
  2. Step 2: Convert to fraction form
    746,641.83/1,120,128.60 = 214,121.91/x
  3. Step 3: Cross multiply
    746,641.83x = 1,120,128.60 × 214,121.91
  4. Step 4: Simplify right side
    746,641.83x = 239,844,075,277.63
  5. Step 5: Solve for x
    x = 239,844,075,277.63/746,641.83
  6. Step 6: Final answer
    x = 321,230.43

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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.