Home / 775,245.72-1,162,868.60-242,808.42

Finding the Fourth Proportional to 775,245.72, 1,162,868.60 and 242,808.42

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Solution

The fourth proportional to 775,245.72, 1,162,868.60 and 242,808.42 is: 364,212.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,245.72 : 1,162,868.60 = 242,808.42 : x
  2. Step 2: Convert to fraction form
    775,245.72/1,162,868.60 = 242,808.42/x
  3. Step 3: Cross multiply
    775,245.72x = 1,162,868.60 × 242,808.42
  4. Step 4: Simplify right side
    775,245.72x = 282,354,287,433.61
  5. Step 5: Solve for x
    x = 282,354,287,433.61/775,245.72
  6. Step 6: Final answer
    x = 364,212.64

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Double scale
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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.