Home / 653,731.55-902,144.09-367,245.48

Finding the Fourth Proportional to 653,731.55, 902,144.09 and 367,245.48

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Solution

The fourth proportional to 653,731.55, 902,144.09 and 367,245.48 is: 506,795.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,731.55 : 902,144.09 = 367,245.48 : x
  2. Step 2: Convert to fraction form
    653,731.55/902,144.09 = 367,245.48/x
  3. Step 3: Cross multiply
    653,731.55x = 902,144.09 × 367,245.48
  4. Step 4: Simplify right side
    653,731.55x = 331,308,340,279.33
  5. Step 5: Solve for x
    x = 331,308,340,279.33/653,731.55
  6. Step 6: Final answer
    x = 506,795.71

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1.5x scale

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.