Home / 426,930.18-589,438.53-274,034.58

Finding the Fourth Proportional to 426,930.18, 589,438.53 and 274,034.58

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Solution

The fourth proportional to 426,930.18, 589,438.53 and 274,034.58 is: 378,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,930.18 : 589,438.53 = 274,034.58 : x
  2. Step 2: Convert to fraction form
    426,930.18/589,438.53 = 274,034.58/x
  3. Step 3: Cross multiply
    426,930.18x = 589,438.53 × 274,034.58
  4. Step 4: Simplify right side
    426,930.18x = 161,526,540,004.37
  5. Step 5: Solve for x
    x = 161,526,540,004.37/426,930.18
  6. Step 6: Final answer
    x = 378,344.16

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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.