Home / 599,428.40-899,488.20-225,719.60

Finding the Fourth Proportional to 599,428.40, 899,488.20 and 225,719.60

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Solution

The fourth proportional to 599,428.40, 899,488.20 and 225,719.60 is: 338,709.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,428.40 : 899,488.20 = 225,719.60 : x
  2. Step 2: Convert to fraction form
    599,428.40/899,488.20 = 225,719.60/x
  3. Step 3: Cross multiply
    599,428.40x = 899,488.20 × 225,719.60
  4. Step 4: Simplify right side
    599,428.40x = 203,032,116,708.72
  5. Step 5: Solve for x
    x = 203,032,116,708.72/599,428.40
  6. Step 6: Final answer
    x = 338,709.54

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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.