Home / 842,137.28-1,162,230.72-460,221.92

Finding the Fourth Proportional to 842,137.28, 1,162,230.72 and 460,221.92

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Solution

The fourth proportional to 842,137.28, 1,162,230.72 and 460,221.92 is: 635,150.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,137.28 : 1,162,230.72 = 460,221.92 : x
  2. Step 2: Convert to fraction form
    842,137.28/1,162,230.72 = 460,221.92/x
  3. Step 3: Cross multiply
    842,137.28x = 1,162,230.72 × 460,221.92
  4. Step 4: Simplify right side
    842,137.28x = 534,884,053,441.38
  5. Step 5: Solve for x
    x = 534,884,053,441.38/842,137.28
  6. Step 6: Final answer
    x = 635,150.67

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.