Home / 654,954.93-903,787.79-368,419.64

Finding the Fourth Proportional to 654,954.93, 903,787.79 and 368,419.64

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Solution

The fourth proportional to 654,954.93, 903,787.79 and 368,419.64 is: 508,390.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,954.93 : 903,787.79 = 368,419.64 : x
  2. Step 2: Convert to fraction form
    654,954.93/903,787.79 = 368,419.64/x
  3. Step 3: Cross multiply
    654,954.93x = 903,787.79 × 368,419.64
  4. Step 4: Simplify right side
    654,954.93x = 332,973,165,867.16
  5. Step 5: Solve for x
    x = 332,973,165,867.16/654,954.93
  6. Step 6: Final answer
    x = 508,390.96

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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.