Home / 886,984.78-1,331,002.05-326,412.94

Finding the Fourth Proportional to 886,984.78, 1,331,002.05 and 326,412.94

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Solution

The fourth proportional to 886,984.78, 1,331,002.05 and 326,412.94 is: 489,812.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,984.78 : 1,331,002.05 = 326,412.94 : x
  2. Step 2: Convert to fraction form
    886,984.78/1,331,002.05 = 326,412.94/x
  3. Step 3: Cross multiply
    886,984.78x = 1,331,002.05 × 326,412.94
  4. Step 4: Simplify right side
    886,984.78x = 434,456,292,286.53
  5. Step 5: Solve for x
    x = 434,456,292,286.53/886,984.78
  6. Step 6: Final answer
    x = 489,812.57

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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.