Home / 449,834.04-620,771.58-258,843.60

Finding the Fourth Proportional to 449,834.04, 620,771.58 and 258,843.60

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Solution

The fourth proportional to 449,834.04, 620,771.58 and 258,843.60 is: 357,204.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,834.04 : 620,771.58 = 258,843.60 : x
  2. Step 2: Convert to fraction form
    449,834.04/620,771.58 = 258,843.60/x
  3. Step 3: Cross multiply
    449,834.04x = 620,771.58 × 258,843.60
  4. Step 4: Simplify right side
    449,834.04x = 160,682,750,544.89
  5. Step 5: Solve for x
    x = 160,682,750,544.89/449,834.04
  6. Step 6: Final answer
    x = 357,204.52

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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.