Home / 649,715.31-973,918.50-270,845.64

Finding the Fourth Proportional to 649,715.31, 973,918.50 and 270,845.64

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Solution

The fourth proportional to 649,715.31, 973,918.50 and 270,845.64 is: 405,995.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,715.31 : 973,918.50 = 270,845.64 : x
  2. Step 2: Convert to fraction form
    649,715.31/973,918.50 = 270,845.64/x
  3. Step 3: Cross multiply
    649,715.31x = 973,918.50 × 270,845.64
  4. Step 4: Simplify right side
    649,715.31x = 263,781,579,440.34
  5. Step 5: Solve for x
    x = 263,781,579,440.34/649,715.31
  6. Step 6: Final answer
    x = 405,995.63

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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.