Home / 683,062.56-942,641.16-377,137.92

Finding the Fourth Proportional to 683,062.56, 942,641.16 and 377,137.92

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Solution

The fourth proportional to 683,062.56, 942,641.16 and 377,137.92 is: 520,458.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,062.56 : 942,641.16 = 377,137.92 : x
  2. Step 2: Convert to fraction form
    683,062.56/942,641.16 = 377,137.92/x
  3. Step 3: Cross multiply
    683,062.56x = 942,641.16 × 377,137.92
  4. Step 4: Simplify right side
    683,062.56x = 355,505,726,388.79
  5. Step 5: Solve for x
    x = 355,505,726,388.79/683,062.56
  6. Step 6: Final answer
    x = 520,458.52

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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.