Home / 693,817.65-1,040,892.12-220,503.87

Finding the Fourth Proportional to 693,817.65, 1,040,892.12 and 220,503.87

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Solution

The fourth proportional to 693,817.65, 1,040,892.12 and 220,503.87 is: 330,808.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,817.65 : 1,040,892.12 = 220,503.87 : x
  2. Step 2: Convert to fraction form
    693,817.65/1,040,892.12 = 220,503.87/x
  3. Step 3: Cross multiply
    693,817.65x = 1,040,892.12 × 220,503.87
  4. Step 4: Simplify right side
    693,817.65x = 229,520,740,712.50
  5. Step 5: Solve for x
    x = 229,520,740,712.50/693,817.65
  6. Step 6: Final answer
    x = 330,808.45

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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.