Home / 907,945.49-1,253,021.39-500,047.21

Finding the Fourth Proportional to 907,945.49, 1,253,021.39 and 500,047.21

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Solution

The fourth proportional to 907,945.49, 1,253,021.39 and 500,047.21 is: 690,096.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,945.49 : 1,253,021.39 = 500,047.21 : x
  2. Step 2: Convert to fraction form
    907,945.49/1,253,021.39 = 500,047.21/x
  3. Step 3: Cross multiply
    907,945.49x = 1,253,021.39 × 500,047.21
  4. Step 4: Simplify right side
    907,945.49x = 626,569,848,257.39
  5. Step 5: Solve for x
    x = 626,569,848,257.39/907,945.49
  6. Step 6: Final answer
    x = 690,096.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.