Home / 693,752.72-1,040,407.61-220,327.34

Finding the Fourth Proportional to 693,752.72, 1,040,407.61 and 220,327.34

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Solution

The fourth proportional to 693,752.72, 1,040,407.61 and 220,327.34 is: 330,420.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,752.72 : 1,040,407.61 = 220,327.34 : x
  2. Step 2: Convert to fraction form
    693,752.72/1,040,407.61 = 220,327.34/x
  3. Step 3: Cross multiply
    693,752.72x = 1,040,407.61 × 220,327.34
  4. Step 4: Simplify right side
    693,752.72x = 229,230,234,923.38
  5. Step 5: Solve for x
    x = 229,230,234,923.38/693,752.72
  6. Step 6: Final answer
    x = 330,420.67

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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.