Home / 874,175.22-1,311,496.17-313,266.42

Finding the Fourth Proportional to 874,175.22, 1,311,496.17 and 313,266.42

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Solution

The fourth proportional to 874,175.22, 1,311,496.17 and 313,266.42 is: 469,983.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,175.22 : 1,311,496.17 = 313,266.42 : x
  2. Step 2: Convert to fraction form
    874,175.22/1,311,496.17 = 313,266.42/x
  3. Step 3: Cross multiply
    874,175.22x = 1,311,496.17 × 313,266.42
  4. Step 4: Simplify right side
    874,175.22x = 410,847,710,019.61
  5. Step 5: Solve for x
    x = 410,847,710,019.61/874,175.22
  6. Step 6: Final answer
    x = 469,983.25

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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.