Home / 706,579.20-1,057,449.60-426,297.60

Finding the Fourth Proportional to 706,579.20, 1,057,449.60 and 426,297.60

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Solution

The fourth proportional to 706,579.20, 1,057,449.60 and 426,297.60 is: 637,986.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,579.20 : 1,057,449.60 = 426,297.60 : x
  2. Step 2: Convert to fraction form
    706,579.20/1,057,449.60 = 426,297.60/x
  3. Step 3: Cross multiply
    706,579.20x = 1,057,449.60 × 426,297.60
  4. Step 4: Simplify right side
    706,579.20x = 450,788,226,600.96
  5. Step 5: Solve for x
    x = 450,788,226,600.96/706,579.20
  6. Step 6: Final answer
    x = 637,986.83

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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.