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Finding the Fourth Proportional to 655,728.99, 982,904.31 and 300,450.84

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Solution

The fourth proportional to 655,728.99, 982,904.31 and 300,450.84 is: 450,360.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,728.99 : 982,904.31 = 300,450.84 : x
  2. Step 2: Convert to fraction form
    655,728.99/982,904.31 = 300,450.84/x
  3. Step 3: Cross multiply
    655,728.99x = 982,904.31 × 300,450.84
  4. Step 4: Simplify right side
    655,728.99x = 295,314,425,579.12
  5. Step 5: Solve for x
    x = 295,314,425,579.12/655,728.99
  6. Step 6: Final answer
    x = 450,360.48

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1.5x scale

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.