Finding the Fourth Proportional to 664,078.25, 996,308.73 and 327,220.17
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Solution
The fourth proportional to 664,078.25, 996,308.73 and 327,220.17 is: 490,924.55
Step by Step Solution
- Step 1: Write the proportion equation
664,078.25 : 996,308.73 = 327,220.17 : x - Step 2: Convert to fraction form
664,078.25/996,308.73 = 327,220.17/x - Step 3: Cross multiply
664,078.25x = 996,308.73 × 327,220.17 - Step 4: Simplify right side
664,078.25x = 326,012,312,003.08 - Step 5: Solve for x
x = 326,012,312,003.08/664,078.25 - Step 6: Final answer
x = 490,924.55
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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.