Home / 709,107.85-1,063,499.55-203,664.84

Finding the Fourth Proportional to 709,107.85, 1,063,499.55 and 203,664.84

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Solution

The fourth proportional to 709,107.85, 1,063,499.55 and 203,664.84 is: 305,450.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,107.85 : 1,063,499.55 = 203,664.84 : x
  2. Step 2: Convert to fraction form
    709,107.85/1,063,499.55 = 203,664.84/x
  3. Step 3: Cross multiply
    709,107.85x = 1,063,499.55 × 203,664.84
  4. Step 4: Simplify right side
    709,107.85x = 216,597,465,690.82
  5. Step 5: Solve for x
    x = 216,597,465,690.82/709,107.85
  6. Step 6: Final answer
    x = 305,450.67

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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.