Finding the Fourth Proportional to 676,603.44, 1,014,778.14 and 339,553.68
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Solution
The fourth proportional to 676,603.44, 1,014,778.14 and 339,553.68 is: 509,266.77
Step by Step Solution
- Step 1: Write the proportion equation
676,603.44 : 1,014,778.14 = 339,553.68 : x - Step 2: Convert to fraction form
676,603.44/1,014,778.14 = 339,553.68/x - Step 3: Cross multiply
676,603.44x = 1,014,778.14 × 339,553.68 - Step 4: Simplify right side
676,603.44x = 344,571,651,820.56 - Step 5: Solve for x
x = 344,571,651,820.56/676,603.44 - Step 6: Final answer
x = 509,266.77
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1.5x scale
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.