Home / 669,476.56-1,004,214.20-170,840.56

Finding the Fourth Proportional to 669,476.56, 1,004,214.20 and 170,840.56

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Solution

The fourth proportional to 669,476.56, 1,004,214.20 and 170,840.56 is: 256,260.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,476.56 : 1,004,214.20 = 170,840.56 : x
  2. Step 2: Convert to fraction form
    669,476.56/1,004,214.20 = 170,840.56/x
  3. Step 3: Cross multiply
    669,476.56x = 1,004,214.20 × 170,840.56
  4. Step 4: Simplify right side
    669,476.56x = 171,560,516,287.95
  5. Step 5: Solve for x
    x = 171,560,516,287.95/669,476.56
  6. Step 6: Final answer
    x = 256,260.68

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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.