Home / 591,181.21-815,537.78-349,346.80

Finding the Fourth Proportional to 591,181.21, 815,537.78 and 349,346.80

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Solution

The fourth proportional to 591,181.21, 815,537.78 and 349,346.80 is: 481,925.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,181.21 : 815,537.78 = 349,346.80 : x
  2. Step 2: Convert to fraction form
    591,181.21/815,537.78 = 349,346.80/x
  3. Step 3: Cross multiply
    591,181.21x = 815,537.78 × 349,346.80
  4. Step 4: Simplify right side
    591,181.21x = 284,905,509,644.42
  5. Step 5: Solve for x
    x = 284,905,509,644.42/591,181.21
  6. Step 6: Final answer
    x = 481,925.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.