Home / 839,578.64-1,259,855.82-353,225.15

Finding the Fourth Proportional to 839,578.64, 1,259,855.82 and 353,225.15

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Solution

The fourth proportional to 839,578.64, 1,259,855.82 and 353,225.15 is: 530,042.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,578.64 : 1,259,855.82 = 353,225.15 : x
  2. Step 2: Convert to fraction form
    839,578.64/1,259,855.82 = 353,225.15/x
  3. Step 3: Cross multiply
    839,578.64x = 1,259,855.82 × 353,225.15
  4. Step 4: Simplify right side
    839,578.64x = 445,012,759,231.75
  5. Step 5: Solve for x
    x = 445,012,759,231.75/839,578.64
  6. Step 6: Final answer
    x = 530,042.98

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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.