Home / 902,079.59-1,353,563.97-422,339.87

Finding the Fourth Proportional to 902,079.59, 1,353,563.97 and 422,339.87

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Solution

The fourth proportional to 902,079.59, 1,353,563.97 and 422,339.87 is: 633,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,079.59 : 1,353,563.97 = 422,339.87 : x
  2. Step 2: Convert to fraction form
    902,079.59/1,353,563.97 = 422,339.87/x
  3. Step 3: Cross multiply
    902,079.59x = 1,353,563.97 × 422,339.87
  4. Step 4: Simplify right side
    902,079.59x = 571,664,029,014.79
  5. Step 5: Solve for x
    x = 571,664,029,014.79/902,079.59
  6. Step 6: Final answer
    x = 633,717.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.