Home / 809,002.13-1,213,187.75-303,287.46

Finding the Fourth Proportional to 809,002.13, 1,213,187.75 and 303,287.46

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Solution

The fourth proportional to 809,002.13, 1,213,187.75 and 303,287.46 is: 454,812.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,002.13 : 1,213,187.75 = 303,287.46 : x
  2. Step 2: Convert to fraction form
    809,002.13/1,213,187.75 = 303,287.46/x
  3. Step 3: Cross multiply
    809,002.13x = 1,213,187.75 × 303,287.46
  4. Step 4: Simplify right side
    809,002.13x = 367,944,637,361.32
  5. Step 5: Solve for x
    x = 367,944,637,361.32/809,002.13
  6. Step 6: Final answer
    x = 454,812.94

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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.