Home / 919,458.56-1,379,174.02-413,662.37

Finding the Fourth Proportional to 919,458.56, 1,379,174.02 and 413,662.37

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Solution

The fourth proportional to 919,458.56, 1,379,174.02 and 413,662.37 is: 620,487.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,458.56 : 1,379,174.02 = 413,662.37 : x
  2. Step 2: Convert to fraction form
    919,458.56/1,379,174.02 = 413,662.37/x
  3. Step 3: Cross multiply
    919,458.56x = 1,379,174.02 × 413,662.37
  4. Step 4: Simplify right side
    919,458.56x = 570,512,385,825.60
  5. Step 5: Solve for x
    x = 570,512,385,825.60/919,458.56
  6. Step 6: Final answer
    x = 620,487.33

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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.