Home / 757,940.33-1,045,930.25-418,401.29

Finding the Fourth Proportional to 757,940.33, 1,045,930.25 and 418,401.29

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Solution

The fourth proportional to 757,940.33, 1,045,930.25 and 418,401.29 is: 577,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,940.33 : 1,045,930.25 = 418,401.29 : x
  2. Step 2: Convert to fraction form
    757,940.33/1,045,930.25 = 418,401.29/x
  3. Step 3: Cross multiply
    757,940.33x = 1,045,930.25 × 418,401.29
  4. Step 4: Simplify right side
    757,940.33x = 437,618,563,758.02
  5. Step 5: Solve for x
    x = 437,618,563,758.02/757,940.33
  6. Step 6: Final answer
    x = 577,378.65

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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.