Home / 419,463.24-578,858.40-228,476.16

Finding the Fourth Proportional to 419,463.24, 578,858.40 and 228,476.16

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Solution

The fourth proportional to 419,463.24, 578,858.40 and 228,476.16 is: 315,296.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,463.24 : 578,858.40 = 228,476.16 : x
  2. Step 2: Convert to fraction form
    419,463.24/578,858.40 = 228,476.16/x
  3. Step 3: Cross multiply
    419,463.24x = 578,858.40 × 228,476.16
  4. Step 4: Simplify right side
    419,463.24x = 132,255,344,415.74
  5. Step 5: Solve for x
    x = 132,255,344,415.74/419,463.24
  6. Step 6: Final answer
    x = 315,296.63

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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.