Home / 749,135.27-1,123,713.26-243,698.88

Finding the Fourth Proportional to 749,135.27, 1,123,713.26 and 243,698.88

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Solution

The fourth proportional to 749,135.27, 1,123,713.26 and 243,698.88 is: 365,551.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,135.27 : 1,123,713.26 = 243,698.88 : x
  2. Step 2: Convert to fraction form
    749,135.27/1,123,713.26 = 243,698.88/x
  3. Step 3: Cross multiply
    749,135.27x = 1,123,713.26 × 243,698.88
  4. Step 4: Simplify right side
    749,135.27x = 273,847,661,684.65
  5. Step 5: Solve for x
    x = 273,847,661,684.65/749,135.27
  6. Step 6: Final answer
    x = 365,551.69

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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.