Home / 707,911.08-1,061,278.74-281,183.64

Finding the Fourth Proportional to 707,911.08, 1,061,278.74 and 281,183.64

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Solution

The fourth proportional to 707,911.08, 1,061,278.74 and 281,183.64 is: 421,541.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,911.08 : 1,061,278.74 = 281,183.64 : x
  2. Step 2: Convert to fraction form
    707,911.08/1,061,278.74 = 281,183.64/x
  3. Step 3: Cross multiply
    707,911.08x = 1,061,278.74 × 281,183.64
  4. Step 4: Simplify right side
    707,911.08x = 298,414,219,167.81
  5. Step 5: Solve for x
    x = 298,414,219,167.81/707,911.08
  6. Step 6: Final answer
    x = 421,541.95

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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.