Home / 939,789.03-1,409,683.56-229,808.64

Finding the Fourth Proportional to 939,789.03, 1,409,683.56 and 229,808.64

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Solution

The fourth proportional to 939,789.03, 1,409,683.56 and 229,808.64 is: 344,712.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,789.03 : 1,409,683.56 = 229,808.64 : x
  2. Step 2: Convert to fraction form
    939,789.03/1,409,683.56 = 229,808.64/x
  3. Step 3: Cross multiply
    939,789.03x = 1,409,683.56 × 229,808.64
  4. Step 4: Simplify right side
    939,789.03x = 323,957,461,753.96
  5. Step 5: Solve for x
    x = 323,957,461,753.96/939,789.03
  6. Step 6: Final answer
    x = 344,712.96

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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.