Home / 692,231.21-1,038,522.20-212,483.34

Finding the Fourth Proportional to 692,231.21, 1,038,522.20 and 212,483.34

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Solution

The fourth proportional to 692,231.21, 1,038,522.20 and 212,483.34 is: 318,778.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,231.21 : 1,038,522.20 = 212,483.34 : x
  2. Step 2: Convert to fraction form
    692,231.21/1,038,522.20 = 212,483.34/x
  3. Step 3: Cross multiply
    692,231.21x = 1,038,522.20 × 212,483.34
  4. Step 4: Simplify right side
    692,231.21x = 220,668,664,093.73
  5. Step 5: Solve for x
    x = 220,668,664,093.73/692,231.21
  6. Step 6: Final answer
    x = 318,778.84

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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.