Home / 874,101.21-1,311,354.66-275,046.81

Finding the Fourth Proportional to 874,101.21, 1,311,354.66 and 275,046.81

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Solution

The fourth proportional to 874,101.21, 1,311,354.66 and 275,046.81 is: 412,634.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,101.21 : 1,311,354.66 = 275,046.81 : x
  2. Step 2: Convert to fraction form
    874,101.21/1,311,354.66 = 275,046.81/x
  3. Step 3: Cross multiply
    874,101.21x = 1,311,354.66 × 275,046.81
  4. Step 4: Simplify right side
    874,101.21x = 360,683,909,804.77
  5. Step 5: Solve for x
    x = 360,683,909,804.77/874,101.21
  6. Step 6: Final answer
    x = 412,634.03

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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.