Home / 859,058.76-1,288,488.06-228,021.60

Finding the Fourth Proportional to 859,058.76, 1,288,488.06 and 228,021.60

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Solution

The fourth proportional to 859,058.76, 1,288,488.06 and 228,021.60 is: 342,005.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,058.76 : 1,288,488.06 = 228,021.60 : x
  2. Step 2: Convert to fraction form
    859,058.76/1,288,488.06 = 228,021.60/x
  3. Step 3: Cross multiply
    859,058.76x = 1,288,488.06 × 228,021.60
  4. Step 4: Simplify right side
    859,058.76x = 293,803,109,022.10
  5. Step 5: Solve for x
    x = 293,803,109,022.10/859,058.76
  6. Step 6: Final answer
    x = 342,005.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.