Home / 734,874.39-1,102,027.27-285,536.10

Finding the Fourth Proportional to 734,874.39, 1,102,027.27 and 285,536.10

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Solution

The fourth proportional to 734,874.39, 1,102,027.27 and 285,536.10 is: 428,193.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,874.39 : 1,102,027.27 = 285,536.10 : x
  2. Step 2: Convert to fraction form
    734,874.39/1,102,027.27 = 285,536.10/x
  3. Step 3: Cross multiply
    734,874.39x = 1,102,027.27 × 285,536.10
  4. Step 4: Simplify right side
    734,874.39x = 314,668,568,769.45
  5. Step 5: Solve for x
    x = 314,668,568,769.45/734,874.39
  6. Step 6: Final answer
    x = 428,193.68

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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.