Home / 669,309.96-1,004,088.14-220,056.20

Finding the Fourth Proportional to 669,309.96, 1,004,088.14 and 220,056.20

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Solution

The fourth proportional to 669,309.96, 1,004,088.14 and 220,056.20 is: 330,124.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,309.96 : 1,004,088.14 = 220,056.20 : x
  2. Step 2: Convert to fraction form
    669,309.96/1,004,088.14 = 220,056.20/x
  3. Step 3: Cross multiply
    669,309.96x = 1,004,088.14 × 220,056.20
  4. Step 4: Simplify right side
    669,309.96x = 220,955,820,553.47
  5. Step 5: Solve for x
    x = 220,955,820,553.47/669,309.96
  6. Step 6: Final answer
    x = 330,124.81

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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.