Home / 419,566.61-579,001.87-228,580.00

Finding the Fourth Proportional to 419,566.61, 579,001.87 and 228,580.00

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Solution

The fourth proportional to 419,566.61, 579,001.87 and 228,580.00 is: 315,440.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,566.61 : 579,001.87 = 228,580.00 : x
  2. Step 2: Convert to fraction form
    419,566.61/579,001.87 = 228,580.00/x
  3. Step 3: Cross multiply
    419,566.61x = 579,001.87 × 228,580.00
  4. Step 4: Simplify right side
    419,566.61x = 132,348,247,911.26
  5. Step 5: Solve for x
    x = 132,348,247,911.26/419,566.61
  6. Step 6: Final answer
    x = 315,440.37

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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.