Home / 815,433.30-1,125,313.29-452,891.25

Finding the Fourth Proportional to 815,433.30, 1,125,313.29 and 452,891.25

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Solution

The fourth proportional to 815,433.30, 1,125,313.29 and 452,891.25 is: 624,998.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,433.30 : 1,125,313.29 = 452,891.25 : x
  2. Step 2: Convert to fraction form
    815,433.30/1,125,313.29 = 452,891.25/x
  3. Step 3: Cross multiply
    815,433.30x = 1,125,313.29 × 452,891.25
  4. Step 4: Simplify right side
    815,433.30x = 509,644,542,549.71
  5. Step 5: Solve for x
    x = 509,644,542,549.71/815,433.30
  6. Step 6: Final answer
    x = 624,998.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.