Home / 647,977.75-972,400.47-268,898.85

Finding the Fourth Proportional to 647,977.75, 972,400.47 and 268,898.85

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Solution

The fourth proportional to 647,977.75, 972,400.47 and 268,898.85 is: 403,528.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,977.75 : 972,400.47 = 268,898.85 : x
  2. Step 2: Convert to fraction form
    647,977.75/972,400.47 = 268,898.85/x
  3. Step 3: Cross multiply
    647,977.75x = 972,400.47 × 268,898.85
  4. Step 4: Simplify right side
    647,977.75x = 261,477,366,777.97
  5. Step 5: Solve for x
    x = 261,477,366,777.97/647,977.75
  6. Step 6: Final answer
    x = 403,528.31

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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.