Home / 800,022.98-1,200,035.63-326,708.34

Finding the Fourth Proportional to 800,022.98, 1,200,035.63 and 326,708.34

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Solution

The fourth proportional to 800,022.98, 1,200,035.63 and 326,708.34 is: 490,062.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,022.98 : 1,200,035.63 = 326,708.34 : x
  2. Step 2: Convert to fraction form
    800,022.98/1,200,035.63 = 326,708.34/x
  3. Step 3: Cross multiply
    800,022.98x = 1,200,035.63 × 326,708.34
  4. Step 4: Simplify right side
    800,022.98x = 392,061,646,984.61
  5. Step 5: Solve for x
    x = 392,061,646,984.61/800,022.98
  6. Step 6: Final answer
    x = 490,062.98

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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.