Home / 689,942.07-1,034,840.31-184,554.05

Finding the Fourth Proportional to 689,942.07, 1,034,840.31 and 184,554.05

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Solution

The fourth proportional to 689,942.07, 1,034,840.31 and 184,554.05 is: 276,811.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,942.07 : 1,034,840.31 = 184,554.05 : x
  2. Step 2: Convert to fraction form
    689,942.07/1,034,840.31 = 184,554.05/x
  3. Step 3: Cross multiply
    689,942.07x = 1,034,840.31 × 184,554.05
  4. Step 4: Simplify right side
    689,942.07x = 190,983,964,216.78
  5. Step 5: Solve for x
    x = 190,983,964,216.78/689,942.07
  6. Step 6: Final answer
    x = 276,811.59

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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.