Home / 692,197.75-1,038,463.73-259,918.75

Finding the Fourth Proportional to 692,197.75, 1,038,463.73 and 259,918.75

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Solution

The fourth proportional to 692,197.75, 1,038,463.73 and 259,918.75 is: 389,940.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,197.75 : 1,038,463.73 = 259,918.75 : x
  2. Step 2: Convert to fraction form
    692,197.75/1,038,463.73 = 259,918.75/x
  3. Step 3: Cross multiply
    692,197.75x = 1,038,463.73 × 259,918.75
  4. Step 4: Simplify right side
    692,197.75x = 269,916,194,621.94
  5. Step 5: Solve for x
    x = 269,916,194,621.94/692,197.75
  6. Step 6: Final answer
    x = 389,940.87

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1.5x scale

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.