Home / 591,610.07-816,486.77-343,306.72

Finding the Fourth Proportional to 591,610.07, 816,486.77 and 343,306.72

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Solution

The fourth proportional to 591,610.07, 816,486.77 and 343,306.72 is: 473,800.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,610.07 : 816,486.77 = 343,306.72 : x
  2. Step 2: Convert to fraction form
    591,610.07/816,486.77 = 343,306.72/x
  3. Step 3: Cross multiply
    591,610.07x = 816,486.77 × 343,306.72
  4. Step 4: Simplify right side
    591,610.07x = 280,305,391,174.34
  5. Step 5: Solve for x
    x = 280,305,391,174.34/591,610.07
  6. Step 6: Final answer
    x = 473,800.91

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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.