Home / 746,729.57-1,120,020.54-297,329.78

Finding the Fourth Proportional to 746,729.57, 1,120,020.54 and 297,329.78

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Solution

The fourth proportional to 746,729.57, 1,120,020.54 and 297,329.78 is: 445,965.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,729.57 : 1,120,020.54 = 297,329.78 : x
  2. Step 2: Convert to fraction form
    746,729.57/1,120,020.54 = 297,329.78/x
  3. Step 3: Cross multiply
    746,729.57x = 1,120,020.54 × 297,329.78
  4. Step 4: Simplify right side
    746,729.57x = 333,015,455,153.58
  5. Step 5: Solve for x
    x = 333,015,455,153.58/746,729.57
  6. Step 6: Final answer
    x = 445,965.27

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Double scale
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Similar ratio
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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.