Home / 754,297.62-1,040,919.18-410,130.80

Finding the Fourth Proportional to 754,297.62, 1,040,919.18 and 410,130.80

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Solution

The fourth proportional to 754,297.62, 1,040,919.18 and 410,130.80 is: 565,974.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,297.62 : 1,040,919.18 = 410,130.80 : x
  2. Step 2: Convert to fraction form
    754,297.62/1,040,919.18 = 410,130.80/x
  3. Step 3: Cross multiply
    754,297.62x = 1,040,919.18 × 410,130.80
  4. Step 4: Simplify right side
    754,297.62x = 426,913,010,824.15
  5. Step 5: Solve for x
    x = 426,913,010,824.15/754,297.62
  6. Step 6: Final answer
    x = 565,974.22

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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.