Home / 797,640.28-1,196,201.58-265,018.30

Finding the Fourth Proportional to 797,640.28, 1,196,201.58 and 265,018.30

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Solution

The fourth proportional to 797,640.28, 1,196,201.58 and 265,018.30 is: 397,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,640.28 : 1,196,201.58 = 265,018.30 : x
  2. Step 2: Convert to fraction form
    797,640.28/1,196,201.58 = 265,018.30/x
  3. Step 3: Cross multiply
    797,640.28x = 1,196,201.58 × 265,018.30
  4. Step 4: Simplify right side
    797,640.28x = 317,015,309,188.91
  5. Step 5: Solve for x
    x = 317,015,309,188.91/797,640.28
  6. Step 6: Final answer
    x = 397,441.45

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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.