Finding the Fourth Proportional to 917,736.63, 1,266,475.37 and 509,876.12
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Solution
The fourth proportional to 917,736.63, 1,266,475.37 and 509,876.12 is: 703,628.38
Step by Step Solution
- Step 1: Write the proportion equation
917,736.63 : 1,266,475.37 = 509,876.12 : x - Step 2: Convert to fraction form
917,736.63/1,266,475.37 = 509,876.12/x - Step 3: Cross multiply
917,736.63x = 1,266,475.37 × 509,876.12 - Step 4: Simplify right side
917,736.63x = 645,745,538,849.41 - Step 5: Solve for x
x = 645,745,538,849.41/917,736.63 - Step 6: Final answer
x = 703,628.38
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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.