Home / 644,945.20-966,726.60-245,431.60

Finding the Fourth Proportional to 644,945.20, 966,726.60 and 245,431.60

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Solution

The fourth proportional to 644,945.20, 966,726.60 and 245,431.60 is: 367,884.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,945.20 : 966,726.60 = 245,431.60 : x
  2. Step 2: Convert to fraction form
    644,945.20/966,726.60 = 245,431.60/x
  3. Step 3: Cross multiply
    644,945.20x = 966,726.60 × 245,431.60
  4. Step 4: Simplify right side
    644,945.20x = 237,265,256,200.56
  5. Step 5: Solve for x
    x = 237,265,256,200.56/644,945.20
  6. Step 6: Final answer
    x = 367,884.37

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1.5x scale

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.