Home / 800,879.22-1,105,104.24-478,521.18

Finding the Fourth Proportional to 800,879.22, 1,105,104.24 and 478,521.18

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Solution

The fourth proportional to 800,879.22, 1,105,104.24 and 478,521.18 is: 660,294.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,879.22 : 1,105,104.24 = 478,521.18 : x
  2. Step 2: Convert to fraction form
    800,879.22/1,105,104.24 = 478,521.18/x
  3. Step 3: Cross multiply
    800,879.22x = 1,105,104.24 × 478,521.18
  4. Step 4: Simplify right side
    800,879.22x = 528,815,784,947.80
  5. Step 5: Solve for x
    x = 528,815,784,947.80/800,879.22
  6. Step 6: Final answer
    x = 660,294.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.