Home / 808,998.59-1,213,182.49-303,283.62

Finding the Fourth Proportional to 808,998.59, 1,213,182.49 and 303,283.62

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Solution

The fourth proportional to 808,998.59, 1,213,182.49 and 303,283.62 is: 454,807.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,998.59 : 1,213,182.49 = 303,283.62 : x
  2. Step 2: Convert to fraction form
    808,998.59/1,213,182.49 = 303,283.62/x
  3. Step 3: Cross multiply
    808,998.59x = 1,213,182.49 × 303,283.62
  4. Step 4: Simplify right side
    808,998.59x = 367,938,377,287.81
  5. Step 5: Solve for x
    x = 367,938,377,287.81/808,998.59
  6. Step 6: Final answer
    x = 454,807.19

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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.