Home / 943,660.34-1,302,266.09-513,940.12

Finding the Fourth Proportional to 943,660.34, 1,302,266.09 and 513,940.12

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Solution

The fourth proportional to 943,660.34, 1,302,266.09 and 513,940.12 is: 709,245.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,660.34 : 1,302,266.09 = 513,940.12 : x
  2. Step 2: Convert to fraction form
    943,660.34/1,302,266.09 = 513,940.12/x
  3. Step 3: Cross multiply
    943,660.34x = 1,302,266.09 × 513,940.12
  4. Step 4: Simplify right side
    943,660.34x = 669,286,790,566.53
  5. Step 5: Solve for x
    x = 669,286,790,566.53/943,660.34
  6. Step 6: Final answer
    x = 709,245.44

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1.5x scale

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.