Home / 654,958.20-903,777.96-368,472.15

Finding the Fourth Proportional to 654,958.20, 903,777.96 and 368,472.15

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Solution

The fourth proportional to 654,958.20, 903,777.96 and 368,472.15 is: 508,455.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,958.20 : 903,777.96 = 368,472.15 : x
  2. Step 2: Convert to fraction form
    654,958.20/903,777.96 = 368,472.15/x
  3. Step 3: Cross multiply
    654,958.20x = 903,777.96 × 368,472.15
  4. Step 4: Simplify right side
    654,958.20x = 333,017,008,043.81
  5. Step 5: Solve for x
    x = 333,017,008,043.81/654,958.20
  6. Step 6: Final answer
    x = 508,455.36

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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.