Home / 892,739.70-1,339,120.44-261,666.18

Finding the Fourth Proportional to 892,739.70, 1,339,120.44 and 261,666.18

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Solution

The fourth proportional to 892,739.70, 1,339,120.44 and 261,666.18 is: 392,502.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,739.70 : 1,339,120.44 = 261,666.18 : x
  2. Step 2: Convert to fraction form
    892,739.70/1,339,120.44 = 261,666.18/x
  3. Step 3: Cross multiply
    892,739.70x = 1,339,120.44 × 261,666.18
  4. Step 4: Simplify right side
    892,739.70x = 350,402,530,094.72
  5. Step 5: Solve for x
    x = 350,402,530,094.72/892,739.70
  6. Step 6: Final answer
    x = 392,502.46

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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.