Finding the Fourth Proportional to 917,893.84, 1,266,614.24 and 509,988.24
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Solution
The fourth proportional to 917,893.84, 1,266,614.24 and 509,988.24 is: 703,739.73
Step by Step Solution
- Step 1: Write the proportion equation
917,893.84 : 1,266,614.24 = 509,988.24 : x - Step 2: Convert to fraction form
917,893.84/1,266,614.24 = 509,988.24/x - Step 3: Cross multiply
917,893.84x = 1,266,614.24 × 509,988.24 - Step 4: Simplify right side
917,893.84x = 645,958,367,016.54 - Step 5: Solve for x
x = 645,958,367,016.54/917,893.84 - Step 6: Final answer
x = 703,739.73
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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.