Home / 816,288.33-1,224,442.74-217,245.79

Finding the Fourth Proportional to 816,288.33, 1,224,442.74 and 217,245.79

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Solution

The fourth proportional to 816,288.33, 1,224,442.74 and 217,245.79 is: 325,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,288.33 : 1,224,442.74 = 217,245.79 : x
  2. Step 2: Convert to fraction form
    816,288.33/1,224,442.74 = 217,245.79/x
  3. Step 3: Cross multiply
    816,288.33x = 1,224,442.74 × 217,245.79
  4. Step 4: Simplify right side
    816,288.33x = 266,005,030,361.07
  5. Step 5: Solve for x
    x = 266,005,030,361.07/816,288.33
  6. Step 6: Final answer
    x = 325,871.41

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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.