Home / 677,600.60-1,015,045.82-407,579.60

Finding the Fourth Proportional to 677,600.60, 1,015,045.82 and 407,579.60

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Solution

The fourth proportional to 677,600.60, 1,015,045.82 and 407,579.60 is: 610,554.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,600.60 : 1,015,045.82 = 407,579.60 : x
  2. Step 2: Convert to fraction form
    677,600.60/1,015,045.82 = 407,579.60/x
  3. Step 3: Cross multiply
    677,600.60x = 1,015,045.82 × 407,579.60
  4. Step 4: Simplify right side
    677,600.60x = 413,711,969,297.27
  5. Step 5: Solve for x
    x = 413,711,969,297.27/677,600.60
  6. Step 6: Final answer
    x = 610,554.31

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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.