Finding the Fourth Proportional to 848,135.30, 1,272,202.95 and 732,661.70
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Solution
The fourth proportional to 848,135.30, 1,272,202.95 and 732,661.70 is: 1,098,992.55
Step by Step Solution
- Step 1: Write the proportion equation
848,135.30 : 1,272,202.95 = 732,661.70 : x - Step 2: Convert to fraction form
848,135.30/1,272,202.95 = 732,661.70/x - Step 3: Cross multiply
848,135.30x = 1,272,202.95 × 732,661.70 - Step 4: Simplify right side
848,135.30x = 932,094,376,092.02 - Step 5: Solve for x
x = 932,094,376,092.02/848,135.30 - Step 6: Final answer
x = 1,098,992.55
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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.