Home / 816,820.74-1,225,231.38-337,041.54

Finding the Fourth Proportional to 816,820.74, 1,225,231.38 and 337,041.54

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Solution

The fourth proportional to 816,820.74, 1,225,231.38 and 337,041.54 is: 505,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,820.74 : 1,225,231.38 = 337,041.54 : x
  2. Step 2: Convert to fraction form
    816,820.74/1,225,231.38 = 337,041.54/x
  3. Step 3: Cross multiply
    816,820.74x = 1,225,231.38 × 337,041.54
  4. Step 4: Simplify right side
    816,820.74x = 412,953,871,171.53
  5. Step 5: Solve for x
    x = 412,953,871,171.53/816,820.74
  6. Step 6: Final answer
    x = 505,562.42

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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.