Home / 806,418.80-1,209,628.20-565,881.20

Finding the Fourth Proportional to 806,418.80, 1,209,628.20 and 565,881.20

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Solution

The fourth proportional to 806,418.80, 1,209,628.20 and 565,881.20 is: 848,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,418.80 : 1,209,628.20 = 565,881.20 : x
  2. Step 2: Convert to fraction form
    806,418.80/1,209,628.20 = 565,881.20/x
  3. Step 3: Cross multiply
    806,418.80x = 1,209,628.20 × 565,881.20
  4. Step 4: Simplify right side
    806,418.80x = 684,505,857,369.84
  5. Step 5: Solve for x
    x = 684,505,857,369.84/806,418.80
  6. Step 6: Final answer
    x = 848,821.80

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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.