Home / 854,704.80-1,282,172.40-293,911.20

Finding the Fourth Proportional to 854,704.80, 1,282,172.40 and 293,911.20

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Solution

The fourth proportional to 854,704.80, 1,282,172.40 and 293,911.20 is: 440,906.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,704.80 : 1,282,172.40 = 293,911.20 : x
  2. Step 2: Convert to fraction form
    854,704.80/1,282,172.40 = 293,911.20/x
  3. Step 3: Cross multiply
    854,704.80x = 1,282,172.40 × 293,911.20
  4. Step 4: Simplify right side
    854,704.80x = 376,844,828,690.88
  5. Step 5: Solve for x
    x = 376,844,828,690.88/854,704.80
  6. Step 6: Final answer
    x = 440,906.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.