Home / 943,660.21-1,302,265.92-513,940.01

Finding the Fourth Proportional to 943,660.21, 1,302,265.92 and 513,940.01

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Solution

The fourth proportional to 943,660.21, 1,302,265.92 and 513,940.01 is: 709,245.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,660.21 : 1,302,265.92 = 513,940.01 : x
  2. Step 2: Convert to fraction form
    943,660.21/1,302,265.92 = 513,940.01/x
  3. Step 3: Cross multiply
    943,660.21x = 1,302,265.92 × 513,940.01
  4. Step 4: Simplify right side
    943,660.21x = 669,286,555,363.41
  5. Step 5: Solve for x
    x = 669,286,555,363.41/943,660.21
  6. Step 6: Final answer
    x = 709,245.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.