Home / 776,005.60-1,164,008.40-327,233.20

Finding the Fourth Proportional to 776,005.60, 1,164,008.40 and 327,233.20

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Solution

The fourth proportional to 776,005.60, 1,164,008.40 and 327,233.20 is: 490,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,005.60 : 1,164,008.40 = 327,233.20 : x
  2. Step 2: Convert to fraction form
    776,005.60/1,164,008.40 = 327,233.20/x
  3. Step 3: Cross multiply
    776,005.60x = 1,164,008.40 × 327,233.20
  4. Step 4: Simplify right side
    776,005.60x = 380,902,193,558.88
  5. Step 5: Solve for x
    x = 380,902,193,558.88/776,005.60
  6. Step 6: Final answer
    x = 490,849.80

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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.