Home / 888,019.10-1,331,372.55-489,110.30

Finding the Fourth Proportional to 888,019.10, 1,331,372.55 and 489,110.30

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Solution

The fourth proportional to 888,019.10, 1,331,372.55 and 489,110.30 is: 733,304.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,019.10 : 1,331,372.55 = 489,110.30 : x
  2. Step 2: Convert to fraction form
    888,019.10/1,331,372.55 = 489,110.30/x
  3. Step 3: Cross multiply
    888,019.10x = 1,331,372.55 × 489,110.30
  4. Step 4: Simplify right side
    888,019.10x = 651,188,027,342.27
  5. Step 5: Solve for x
    x = 651,188,027,342.27/888,019.10
  6. Step 6: Final answer
    x = 733,304.08

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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.