Home / 746,669.70-1,120,004.55-185,704.20

Finding the Fourth Proportional to 746,669.70, 1,120,004.55 and 185,704.20

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Solution

The fourth proportional to 746,669.70, 1,120,004.55 and 185,704.20 is: 278,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,669.70 : 1,120,004.55 = 185,704.20 : x
  2. Step 2: Convert to fraction form
    746,669.70/1,120,004.55 = 185,704.20/x
  3. Step 3: Cross multiply
    746,669.70x = 1,120,004.55 × 185,704.20
  4. Step 4: Simplify right side
    746,669.70x = 207,989,548,954.11
  5. Step 5: Solve for x
    x = 207,989,548,954.11/746,669.70
  6. Step 6: Final answer
    x = 278,556.30

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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.