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Finding the Fourth Proportional to 835,695, 1,254,040.62 and 303,257.58

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Solution

The fourth proportional to 835,695, 1,254,040.62 and 303,257.58 is: 455,067.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,695 : 1,254,040.62 = 303,257.58 : x
  2. Step 2: Convert to fraction form
    835,695/1,254,040.62 = 303,257.58/x
  3. Step 3: Cross multiply
    835,695x = 1,254,040.62 × 303,257.58
  4. Step 4: Simplify right side
    835,695x = 380,297,323,642.90
  5. Step 5: Solve for x
    x = 380,297,323,642.90/835,695
  6. Step 6: Final answer
    x = 455,067.13

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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.