Home / 800,122.79-1,200,303.54-294,644.94

Finding the Fourth Proportional to 800,122.79, 1,200,303.54 and 294,644.94

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Solution

The fourth proportional to 800,122.79, 1,200,303.54 and 294,644.94 is: 442,011.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,122.79 : 1,200,303.54 = 294,644.94 : x
  2. Step 2: Convert to fraction form
    800,122.79/1,200,303.54 = 294,644.94/x
  3. Step 3: Cross multiply
    800,122.79x = 1,200,303.54 × 294,644.94
  4. Step 4: Simplify right side
    800,122.79x = 353,663,364,525.09
  5. Step 5: Solve for x
    x = 353,663,364,525.09/800,122.79
  6. Step 6: Final answer
    x = 442,011.37

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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.