Home / 433,101.90-648,668.70-273,669.60

Finding the Fourth Proportional to 433,101.90, 648,668.70 and 273,669.60

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Solution

The fourth proportional to 433,101.90, 648,668.70 and 273,669.60 is: 409,882.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,101.90 : 648,668.70 = 273,669.60 : x
  2. Step 2: Convert to fraction form
    433,101.90/648,668.70 = 273,669.60/x
  3. Step 3: Cross multiply
    433,101.90x = 648,668.70 × 273,669.60
  4. Step 4: Simplify right side
    433,101.90x = 177,520,903,661.52
  5. Step 5: Solve for x
    x = 177,520,903,661.52/433,101.90
  6. Step 6: Final answer
    x = 409,882.53

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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.