Home / 890,112.62-1,228,353.98-482,224.82

Finding the Fourth Proportional to 890,112.62, 1,228,353.98 and 482,224.82

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Solution

The fourth proportional to 890,112.62, 1,228,353.98 and 482,224.82 is: 665,469.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,112.62 : 1,228,353.98 = 482,224.82 : x
  2. Step 2: Convert to fraction form
    890,112.62/1,228,353.98 = 482,224.82/x
  3. Step 3: Cross multiply
    890,112.62x = 1,228,353.98 × 482,224.82
  4. Step 4: Simplify right side
    890,112.62x = 592,342,768,348.89
  5. Step 5: Solve for x
    x = 592,342,768,348.89/890,112.62
  6. Step 6: Final answer
    x = 665,469.46

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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.