Home / 873,558.19-1,309,233.20-393,274.54

Finding the Fourth Proportional to 873,558.19, 1,309,233.20 and 393,274.54

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Solution

The fourth proportional to 873,558.19, 1,309,233.20 and 393,274.54 is: 589,414.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,558.19 : 1,309,233.20 = 393,274.54 : x
  2. Step 2: Convert to fraction form
    873,558.19/1,309,233.20 = 393,274.54/x
  3. Step 3: Cross multiply
    873,558.19x = 1,309,233.20 × 393,274.54
  4. Step 4: Simplify right side
    873,558.19x = 514,888,085,258.98
  5. Step 5: Solve for x
    x = 514,888,085,258.98/873,558.19
  6. Step 6: Final answer
    x = 589,414.75

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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.