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Finding the Fourth Proportional to 652,804.37, 979,160.26 and 173,021.52

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Solution

The fourth proportional to 652,804.37, 979,160.26 and 173,021.52 is: 259,520.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,804.37 : 979,160.26 = 173,021.52 : x
  2. Step 2: Convert to fraction form
    652,804.37/979,160.26 = 173,021.52/x
  3. Step 3: Cross multiply
    652,804.37x = 979,160.26 × 173,021.52
  4. Step 4: Simplify right side
    652,804.37x = 169,415,796,508.80
  5. Step 5: Solve for x
    x = 169,415,796,508.80/652,804.37
  6. Step 6: Final answer
    x = 259,520.01

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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.