Home / 800,548.70-1,200,816.36-326,901.86

Finding the Fourth Proportional to 800,548.70, 1,200,816.36 and 326,901.86

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Solution

The fourth proportional to 800,548.70, 1,200,816.36 and 326,901.86 is: 490,350.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,548.70 : 1,200,816.36 = 326,901.86 : x
  2. Step 2: Convert to fraction form
    800,548.70/1,200,816.36 = 326,901.86/x
  3. Step 3: Cross multiply
    800,548.70x = 1,200,816.36 × 326,901.86
  4. Step 4: Simplify right side
    800,548.70x = 392,549,101,602.43
  5. Step 5: Solve for x
    x = 392,549,101,602.43/800,548.70
  6. Step 6: Final answer
    x = 490,350.06

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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.