Home / 648,255.78-972,383.70-174,940.38

Finding the Fourth Proportional to 648,255.78, 972,383.70 and 174,940.38

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Solution

The fourth proportional to 648,255.78, 972,383.70 and 174,940.38 is: 262,410.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,255.78 : 972,383.70 = 174,940.38 : x
  2. Step 2: Convert to fraction form
    648,255.78/972,383.70 = 174,940.38/x
  3. Step 3: Cross multiply
    648,255.78x = 972,383.70 × 174,940.38
  4. Step 4: Simplify right side
    648,255.78x = 170,109,173,983.81
  5. Step 5: Solve for x
    x = 170,109,173,983.81/648,255.78
  6. Step 6: Final answer
    x = 262,410.58

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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.