Home / 693,833.04-1,040,749.56-220,518.45

Finding the Fourth Proportional to 693,833.04, 1,040,749.56 and 220,518.45

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Solution

The fourth proportional to 693,833.04, 1,040,749.56 and 220,518.45 is: 330,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,833.04 : 1,040,749.56 = 220,518.45 : x
  2. Step 2: Convert to fraction form
    693,833.04/1,040,749.56 = 220,518.45/x
  3. Step 3: Cross multiply
    693,833.04x = 1,040,749.56 × 220,518.45
  4. Step 4: Simplify right side
    693,833.04x = 229,504,479,809.38
  5. Step 5: Solve for x
    x = 229,504,479,809.38/693,833.04
  6. Step 6: Final answer
    x = 330,777.68

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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.