Home / 903,261.38-1,355,416.94-404,625.38

Finding the Fourth Proportional to 903,261.38, 1,355,416.94 and 404,625.38

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Solution

The fourth proportional to 903,261.38, 1,355,416.94 and 404,625.38 is: 607,173.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,261.38 : 1,355,416.94 = 404,625.38 : x
  2. Step 2: Convert to fraction form
    903,261.38/1,355,416.94 = 404,625.38/x
  3. Step 3: Cross multiply
    903,261.38x = 1,355,416.94 × 404,625.38
  4. Step 4: Simplify right side
    903,261.38x = 548,436,088,640.42
  5. Step 5: Solve for x
    x = 548,436,088,640.42/903,261.38
  6. Step 6: Final answer
    x = 607,173.19

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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.