Home / 683,145.54-942,736.05-377,240.94

Finding the Fourth Proportional to 683,145.54, 942,736.05 and 377,240.94

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Solution

The fourth proportional to 683,145.54, 942,736.05 and 377,240.94 is: 520,589.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,145.54 : 942,736.05 = 377,240.94 : x
  2. Step 2: Convert to fraction form
    683,145.54/942,736.05 = 377,240.94/x
  3. Step 3: Cross multiply
    683,145.54x = 942,736.05 × 377,240.94
  4. Step 4: Simplify right side
    683,145.54x = 355,638,633,673.89
  5. Step 5: Solve for x
    x = 355,638,633,673.89/683,145.54
  6. Step 6: Final answer
    x = 520,589.85

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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.