Home / 419,464.24-578,859.78-228,477.16

Finding the Fourth Proportional to 419,464.24, 578,859.78 and 228,477.16

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Solution

The fourth proportional to 419,464.24, 578,859.78 and 228,477.16 is: 315,298.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,464.24 : 578,859.78 = 228,477.16 : x
  2. Step 2: Convert to fraction form
    419,464.24/578,859.78 = 228,477.16/x
  3. Step 3: Cross multiply
    419,464.24x = 578,859.78 × 228,477.16
  4. Step 4: Simplify right side
    419,464.24x = 132,256,238,572.63
  5. Step 5: Solve for x
    x = 132,256,238,572.63/419,464.24
  6. Step 6: Final answer
    x = 315,298.01

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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.