Home / 692,103.15-954,921.96-405,469.26

Finding the Fourth Proportional to 692,103.15, 954,921.96 and 405,469.26

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Solution

The fourth proportional to 692,103.15, 954,921.96 and 405,469.26 is: 559,441.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,103.15 : 954,921.96 = 405,469.26 : x
  2. Step 2: Convert to fraction form
    692,103.15/954,921.96 = 405,469.26/x
  3. Step 3: Cross multiply
    692,103.15x = 954,921.96 × 405,469.26
  4. Step 4: Simplify right side
    692,103.15x = 387,191,500,478.95
  5. Step 5: Solve for x
    x = 387,191,500,478.95/692,103.15
  6. Step 6: Final answer
    x = 559,441.90

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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.