Home / 886,938.20-1,330,407.30-222,090.20

Finding the Fourth Proportional to 886,938.20, 1,330,407.30 and 222,090.20

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Solution

The fourth proportional to 886,938.20, 1,330,407.30 and 222,090.20 is: 333,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,938.20 : 1,330,407.30 = 222,090.20 : x
  2. Step 2: Convert to fraction form
    886,938.20/1,330,407.30 = 222,090.20/x
  3. Step 3: Cross multiply
    886,938.20x = 1,330,407.30 × 222,090.20
  4. Step 4: Simplify right side
    886,938.20x = 295,470,423,338.46
  5. Step 5: Solve for x
    x = 295,470,423,338.46/886,938.20
  6. Step 6: Final answer
    x = 333,135.30

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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.