Home / 683,288.64-942,945.38-377,372.68

Finding the Fourth Proportional to 683,288.64, 942,945.38 and 377,372.68

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Solution

The fourth proportional to 683,288.64, 942,945.38 and 377,372.68 is: 520,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,288.64 : 942,945.38 = 377,372.68 : x
  2. Step 2: Convert to fraction form
    683,288.64/942,945.38 = 377,372.68/x
  3. Step 3: Cross multiply
    683,288.64x = 942,945.38 × 377,372.68
  4. Step 4: Simplify right side
    683,288.64x = 355,841,825,144.22
  5. Step 5: Solve for x
    x = 355,841,825,144.22/683,288.64
  6. Step 6: Final answer
    x = 520,778.20

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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.