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Finding the Fourth Proportional to 601,420.60, 829,961.12 and 325,779.01

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Solution

The fourth proportional to 601,420.60, 829,961.12 and 325,779.01 is: 449,575.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,420.60 : 829,961.12 = 325,779.01 : x
  2. Step 2: Convert to fraction form
    601,420.60/829,961.12 = 325,779.01/x
  3. Step 3: Cross multiply
    601,420.60x = 829,961.12 × 325,779.01
  4. Step 4: Simplify right side
    601,420.60x = 270,383,912,012.09
  5. Step 5: Solve for x
    x = 270,383,912,012.09/601,420.60
  6. Step 6: Final answer
    x = 449,575.41

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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.