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Finding the Fourth Proportional to 632,058.45, 872,234.69 and 345,575.49

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Solution

The fourth proportional to 632,058.45, 872,234.69 and 345,575.49 is: 476,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,058.45 : 872,234.69 = 345,575.49 : x
  2. Step 2: Convert to fraction form
    632,058.45/872,234.69 = 345,575.49/x
  3. Step 3: Cross multiply
    632,058.45x = 872,234.69 × 345,575.49
  4. Step 4: Simplify right side
    632,058.45x = 301,422,930,391.75
  5. Step 5: Solve for x
    x = 301,422,930,391.75/632,058.45
  6. Step 6: Final answer
    x = 476,890.91

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1.5x scale

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.