Home / 655,579.24-983,110.37-318,520.01

Finding the Fourth Proportional to 655,579.24, 983,110.37 and 318,520.01

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Solution

The fourth proportional to 655,579.24, 983,110.37 and 318,520.01 is: 477,654.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,579.24 : 983,110.37 = 318,520.01 : x
  2. Step 2: Convert to fraction form
    655,579.24/983,110.37 = 318,520.01/x
  3. Step 3: Cross multiply
    655,579.24x = 983,110.37 × 318,520.01
  4. Step 4: Simplify right side
    655,579.24x = 313,140,325,748.68
  5. Step 5: Solve for x
    x = 313,140,325,748.68/655,579.24
  6. Step 6: Final answer
    x = 477,654.43

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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.