Home / 754,310.43-1,040,948.40-414,778.68

Finding the Fourth Proportional to 754,310.43, 1,040,948.40 and 414,778.68

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Solution

The fourth proportional to 754,310.43, 1,040,948.40 and 414,778.68 is: 572,394.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,310.43 : 1,040,948.40 = 414,778.68 : x
  2. Step 2: Convert to fraction form
    754,310.43/1,040,948.40 = 414,778.68/x
  3. Step 3: Cross multiply
    754,310.43x = 1,040,948.40 × 414,778.68
  4. Step 4: Simplify right side
    754,310.43x = 431,763,203,300.11
  5. Step 5: Solve for x
    x = 431,763,203,300.11/754,310.43
  6. Step 6: Final answer
    x = 572,394.58

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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.