Home / 647,255.06-970,883.27-349,628.05

Finding the Fourth Proportional to 647,255.06, 970,883.27 and 349,628.05

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Solution

The fourth proportional to 647,255.06, 970,883.27 and 349,628.05 is: 524,442.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,255.06 : 970,883.27 = 349,628.05 : x
  2. Step 2: Convert to fraction form
    647,255.06/970,883.27 = 349,628.05/x
  3. Step 3: Cross multiply
    647,255.06x = 970,883.27 × 349,628.05
  4. Step 4: Simplify right side
    647,255.06x = 339,448,024,467.72
  5. Step 5: Solve for x
    x = 339,448,024,467.72/647,255.06
  6. Step 6: Final answer
    x = 524,442.44

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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.