Home / 1,477,478.88-2,215,896.48-397,964.88

Finding the Fourth Proportional to 1,477,478.88, 2,215,896.48 and 397,964.88

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Solution

The fourth proportional to 1,477,478.88, 2,215,896.48 and 397,964.88 is: 596,860.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,478.88 : 2,215,896.48 = 397,964.88 : x
  2. Step 2: Convert to fraction form
    1,477,478.88/2,215,896.48 = 397,964.88/x
  3. Step 3: Cross multiply
    1,477,478.88x = 2,215,896.48 × 397,964.88
  4. Step 4: Simplify right side
    1,477,478.88x = 881,848,976,755.62
  5. Step 5: Solve for x
    x = 881,848,976,755.62/1,477,478.88
  6. Step 6: Final answer
    x = 596,860.63

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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.