Home / 806,153.80-1,209,190.84-300,675.39

Finding the Fourth Proportional to 806,153.80, 1,209,190.84 and 300,675.39

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Solution

The fourth proportional to 806,153.80, 1,209,190.84 and 300,675.39 is: 450,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,153.80 : 1,209,190.84 = 300,675.39 : x
  2. Step 2: Convert to fraction form
    806,153.80/1,209,190.84 = 300,675.39/x
  3. Step 3: Cross multiply
    806,153.80x = 1,209,190.84 × 300,675.39
  4. Step 4: Simplify right side
    806,153.80x = 363,573,921,355.47
  5. Step 5: Solve for x
    x = 363,573,921,355.47/806,153.80
  6. Step 6: Final answer
    x = 450,998.21

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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.