Home / 809,122.60-1,213,829.70-335,855.80

Finding the Fourth Proportional to 809,122.60, 1,213,829.70 and 335,855.80

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Solution

The fourth proportional to 809,122.60, 1,213,829.70 and 335,855.80 is: 503,844.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,122.60 : 1,213,829.70 = 335,855.80 : x
  2. Step 2: Convert to fraction form
    809,122.60/1,213,829.70 = 335,855.80/x
  3. Step 3: Cross multiply
    809,122.60x = 1,213,829.70 × 335,855.80
  4. Step 4: Simplify right side
    809,122.60x = 407,671,744,957.26
  5. Step 5: Solve for x
    x = 407,671,744,957.26/809,122.60
  6. Step 6: Final answer
    x = 503,844.22

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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.