Home / 419,076.15-578,325.09-228,090.93

Finding the Fourth Proportional to 419,076.15, 578,325.09 and 228,090.93

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Solution

The fourth proportional to 419,076.15, 578,325.09 and 228,090.93 is: 314,765.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,076.15 : 578,325.09 = 228,090.93 : x
  2. Step 2: Convert to fraction form
    419,076.15/578,325.09 = 228,090.93/x
  3. Step 3: Cross multiply
    419,076.15x = 578,325.09 × 228,090.93
  4. Step 4: Simplify right side
    419,076.15x = 131,910,707,620.43
  5. Step 5: Solve for x
    x = 131,910,707,620.43/419,076.15
  6. Step 6: Final answer
    x = 314,765.49

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1.5x scale

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.