Home / 880,780.96-1,321,521.52-281,834.40

Finding the Fourth Proportional to 880,780.96, 1,321,521.52 and 281,834.40

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Solution

The fourth proportional to 880,780.96, 1,321,521.52 and 281,834.40 is: 422,863.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,780.96 : 1,321,521.52 = 281,834.40 : x
  2. Step 2: Convert to fraction form
    880,780.96/1,321,521.52 = 281,834.40/x
  3. Step 3: Cross multiply
    880,780.96x = 1,321,521.52 × 281,834.40
  4. Step 4: Simplify right side
    880,780.96x = 372,450,224,676.29
  5. Step 5: Solve for x
    x = 372,450,224,676.29/880,780.96
  6. Step 6: Final answer
    x = 422,863.62

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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.