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Finding the Fourth Proportional to 803,406.33, 1,203,863.59 and 465,609.15

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Solution

The fourth proportional to 803,406.33, 1,203,863.59 and 465,609.15 is: 697,691.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,406.33 : 1,203,863.59 = 465,609.15 : x
  2. Step 2: Convert to fraction form
    803,406.33/1,203,863.59 = 465,609.15/x
  3. Step 3: Cross multiply
    803,406.33x = 1,203,863.59 × 465,609.15
  4. Step 4: Simplify right side
    803,406.33x = 560,529,902,855.85
  5. Step 5: Solve for x
    x = 560,529,902,855.85/803,406.33
  6. Step 6: Final answer
    x = 697,691.67

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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.