Finding the Fourth Proportional to 815,577.02, 1,125,905.37 and 509,823.48
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Solution
The fourth proportional to 815,577.02, 1,125,905.37 and 509,823.48 is: 703,812.12
Step by Step Solution
- Step 1: Write the proportion equation
815,577.02 : 1,125,905.37 = 509,823.48 : x - Step 2: Convert to fraction form
815,577.02/1,125,905.37 = 509,823.48/x - Step 3: Cross multiply
815,577.02x = 1,125,905.37 × 509,823.48 - Step 4: Simplify right side
815,577.02x = 574,012,993,884.09 - Step 5: Solve for x
x = 574,012,993,884.09/815,577.02 - Step 6: Final answer
x = 703,812.12
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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.