Home / 707,833.92-1,061,889.66-281,290.25

Finding the Fourth Proportional to 707,833.92, 1,061,889.66 and 281,290.25

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Solution

The fourth proportional to 707,833.92, 1,061,889.66 and 281,290.25 is: 421,990.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,833.92 : 1,061,889.66 = 281,290.25 : x
  2. Step 2: Convert to fraction form
    707,833.92/1,061,889.66 = 281,290.25/x
  3. Step 3: Cross multiply
    707,833.92x = 1,061,889.66 × 281,290.25
  4. Step 4: Simplify right side
    707,833.92x = 298,699,202,624.37
  5. Step 5: Solve for x
    x = 298,699,202,624.37/707,833.92
  6. Step 6: Final answer
    x = 421,990.52

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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.