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Finding the Fourth Proportional to 449,836.04, 620,774.34 and 258,845.60

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Solution

The fourth proportional to 449,836.04, 620,774.34 and 258,845.60 is: 357,207.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,836.04 : 620,774.34 = 258,845.60 : x
  2. Step 2: Convert to fraction form
    449,836.04/620,774.34 = 258,845.60/x
  3. Step 3: Cross multiply
    449,836.04x = 620,774.34 × 258,845.60
  4. Step 4: Simplify right side
    449,836.04x = 160,684,706,501.90
  5. Step 5: Solve for x
    x = 160,684,706,501.90/449,836.04
  6. Step 6: Final answer
    x = 357,207.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.