Home / 724,613.19-1,086,919.81-275,227.77

Finding the Fourth Proportional to 724,613.19, 1,086,919.81 and 275,227.77

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Solution

The fourth proportional to 724,613.19, 1,086,919.81 and 275,227.77 is: 412,841.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,613.19 : 1,086,919.81 = 275,227.77 : x
  2. Step 2: Convert to fraction form
    724,613.19/1,086,919.81 = 275,227.77/x
  3. Step 3: Cross multiply
    724,613.19x = 1,086,919.81 × 275,227.77
  4. Step 4: Simplify right side
    724,613.19x = 299,150,520,411.16
  5. Step 5: Solve for x
    x = 299,150,520,411.16/724,613.19
  6. Step 6: Final answer
    x = 412,841.67

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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.