Home / 744,699.87-1,117,086.71-212,299.34

Finding the Fourth Proportional to 744,699.87, 1,117,086.71 and 212,299.34

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Solution

The fourth proportional to 744,699.87, 1,117,086.71 and 212,299.34 is: 318,459.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,699.87 : 1,117,086.71 = 212,299.34 : x
  2. Step 2: Convert to fraction form
    744,699.87/1,117,086.71 = 212,299.34/x
  3. Step 3: Cross multiply
    744,699.87x = 1,117,086.71 × 212,299.34
  4. Step 4: Simplify right side
    744,699.87x = 237,156,764,608.84
  5. Step 5: Solve for x
    x = 237,156,764,608.84/744,699.87
  6. Step 6: Final answer
    x = 318,459.52

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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.