Home / 591,157.10-815,504.49-349,322.66

Finding the Fourth Proportional to 591,157.10, 815,504.49 and 349,322.66

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Solution

The fourth proportional to 591,157.10, 815,504.49 and 349,322.66 is: 481,892.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,157.10 : 815,504.49 = 349,322.66 : x
  2. Step 2: Convert to fraction form
    591,157.10/815,504.49 = 349,322.66/x
  3. Step 3: Cross multiply
    591,157.10x = 815,504.49 × 349,322.66
  4. Step 4: Simplify right side
    591,157.10x = 284,874,197,688.74
  5. Step 5: Solve for x
    x = 284,874,197,688.74/591,157.10
  6. Step 6: Final answer
    x = 481,892.54

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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.