Home / 873,820.42-1,310,777.34-274,828.29

Finding the Fourth Proportional to 873,820.42, 1,310,777.34 and 274,828.29

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Solution

The fourth proportional to 873,820.42, 1,310,777.34 and 274,828.29 is: 412,257.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,820.42 : 1,310,777.34 = 274,828.29 : x
  2. Step 2: Convert to fraction form
    873,820.42/1,310,777.34 = 274,828.29/x
  3. Step 3: Cross multiply
    873,820.42x = 1,310,777.34 × 274,828.29
  4. Step 4: Simplify right side
    873,820.42x = 360,238,690,007.53
  5. Step 5: Solve for x
    x = 360,238,690,007.53/873,820.42
  6. Step 6: Final answer
    x = 412,257.12

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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.