Home / 654,669.27-903,308.13-382,684.59

Finding the Fourth Proportional to 654,669.27, 903,308.13 and 382,684.59

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Solution

The fourth proportional to 654,669.27, 903,308.13 and 382,684.59 is: 528,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,669.27 : 903,308.13 = 382,684.59 : x
  2. Step 2: Convert to fraction form
    654,669.27/903,308.13 = 382,684.59/x
  3. Step 3: Cross multiply
    654,669.27x = 903,308.13 × 382,684.59
  4. Step 4: Simplify right side
    654,669.27x = 345,682,101,372.72
  5. Step 5: Solve for x
    x = 345,682,101,372.72/654,669.27
  6. Step 6: Final answer
    x = 528,025.55

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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.