Home / 923,102.80-1,383,876.60-479,870.80

Finding the Fourth Proportional to 923,102.80, 1,383,876.60 and 479,870.80

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Solution

The fourth proportional to 923,102.80, 1,383,876.60 and 479,870.80 is: 719,401.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,102.80 : 1,383,876.60 = 479,870.80 : x
  2. Step 2: Convert to fraction form
    923,102.80/1,383,876.60 = 479,870.80/x
  3. Step 3: Cross multiply
    923,102.80x = 1,383,876.60 × 479,870.80
  4. Step 4: Simplify right side
    923,102.80x = 664,081,971,143.28
  5. Step 5: Solve for x
    x = 664,081,971,143.28/923,102.80
  6. Step 6: Final answer
    x = 719,401.97

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1.5x scale

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.