Home / 808,998.57-1,213,182.63-303,283.71

Finding the Fourth Proportional to 808,998.57, 1,213,182.63 and 303,283.71

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Solution

The fourth proportional to 808,998.57, 1,213,182.63 and 303,283.71 is: 454,807.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,998.57 : 1,213,182.63 = 303,283.71 : x
  2. Step 2: Convert to fraction form
    808,998.57/1,213,182.63 = 303,283.71/x
  3. Step 3: Cross multiply
    808,998.57x = 1,213,182.63 × 303,283.71
  4. Step 4: Simplify right side
    808,998.57x = 367,938,528,933.96
  5. Step 5: Solve for x
    x = 367,938,528,933.96/808,998.57
  6. Step 6: Final answer
    x = 454,807.39

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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.