Home / 654,719.58-903,504.12-368,239.56

Finding the Fourth Proportional to 654,719.58, 903,504.12 and 368,239.56

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Solution

The fourth proportional to 654,719.58, 903,504.12 and 368,239.56 is: 508,165.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,719.58 : 903,504.12 = 368,239.56 : x
  2. Step 2: Convert to fraction form
    654,719.58/903,504.12 = 368,239.56/x
  3. Step 3: Cross multiply
    654,719.58x = 903,504.12 × 368,239.56
  4. Step 4: Simplify right side
    654,719.58x = 332,705,959,606.99
  5. Step 5: Solve for x
    x = 332,705,959,606.99/654,719.58
  6. Step 6: Final answer
    x = 508,165.59

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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.