Home / 914,883.21-1,372,324.55-442,491.21

Finding the Fourth Proportional to 914,883.21, 1,372,324.55 and 442,491.21

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Solution

The fourth proportional to 914,883.21, 1,372,324.55 and 442,491.21 is: 663,736.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,883.21 : 1,372,324.55 = 442,491.21 : x
  2. Step 2: Convert to fraction form
    914,883.21/1,372,324.55 = 442,491.21/x
  3. Step 3: Cross multiply
    914,883.21x = 1,372,324.55 × 442,491.21
  4. Step 4: Simplify right side
    914,883.21x = 607,241,548,429.75
  5. Step 5: Solve for x
    x = 607,241,548,429.75/914,883.21
  6. Step 6: Final answer
    x = 663,736.68

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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.