Home / 707,832.42-1,061,887.41-281,288.74

Finding the Fourth Proportional to 707,832.42, 1,061,887.41 and 281,288.74

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Solution

The fourth proportional to 707,832.42, 1,061,887.41 and 281,288.74 is: 421,988.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,832.42 : 1,061,887.41 = 281,288.74 : x
  2. Step 2: Convert to fraction form
    707,832.42/1,061,887.41 = 281,288.74/x
  3. Step 3: Cross multiply
    707,832.42x = 1,061,887.41 × 281,288.74
  4. Step 4: Simplify right side
    707,832.42x = 298,696,969,028.26
  5. Step 5: Solve for x
    x = 298,696,969,028.26/707,832.42
  6. Step 6: Final answer
    x = 421,988.26

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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.