Home / 792,826.48-1,189,421.40-343,622.80

Finding the Fourth Proportional to 792,826.48, 1,189,421.40 and 343,622.80

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Solution

The fourth proportional to 792,826.48, 1,189,421.40 and 343,622.80 is: 515,512.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,826.48 : 1,189,421.40 = 343,622.80 : x
  2. Step 2: Convert to fraction form
    792,826.48/1,189,421.40 = 343,622.80/x
  3. Step 3: Cross multiply
    792,826.48x = 1,189,421.40 × 343,622.80
  4. Step 4: Simplify right side
    792,826.48x = 408,712,311,847.92
  5. Step 5: Solve for x
    x = 408,712,311,847.92/792,826.48
  6. Step 6: Final answer
    x = 515,512.94

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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.