Finding the Fourth Proportional to 739,720.47, 1,109,591.64 and 207,207.84
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Solution
The fourth proportional to 739,720.47, 1,109,591.64 and 207,207.84 is: 310,814.82
Step by Step Solution
- Step 1: Write the proportion equation
739,720.47 : 1,109,591.64 = 207,207.84 : x - Step 2: Convert to fraction form
739,720.47/1,109,591.64 = 207,207.84/x - Step 3: Cross multiply
739,720.47x = 1,109,591.64 × 207,207.84 - Step 4: Simplify right side
739,720.47x = 229,916,082,068.46 - Step 5: Solve for x
x = 229,916,082,068.46/739,720.47 - Step 6: Final answer
x = 310,814.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.