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Finding the Fourth Proportional to 477,596.88, 659,010.60 and 276,354

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Solution

The fourth proportional to 477,596.88, 659,010.60 and 276,354 is: 381,326.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,596.88 : 659,010.60 = 276,354 : x
  2. Step 2: Convert to fraction form
    477,596.88/659,010.60 = 276,354/x
  3. Step 3: Cross multiply
    477,596.88x = 659,010.60 × 276,354
  4. Step 4: Simplify right side
    477,596.88x = 182,120,215,352.40
  5. Step 5: Solve for x
    x = 182,120,215,352.40/477,596.88
  6. Step 6: Final answer
    x = 381,326.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.