Finding the Fourth Proportional to 875,511.28, 1,208,224.05 and 493,538.06
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Solution
The fourth proportional to 875,511.28, 1,208,224.05 and 493,538.06 is: 681,092.94
Step by Step Solution
- Step 1: Write the proportion equation
875,511.28 : 1,208,224.05 = 493,538.06 : x - Step 2: Convert to fraction form
875,511.28/1,208,224.05 = 493,538.06/x - Step 3: Cross multiply
875,511.28x = 1,208,224.05 × 493,538.06 - Step 4: Simplify right side
875,511.28x = 596,304,554,852.14 - Step 5: Solve for x
x = 596,304,554,852.14/875,511.28 - Step 6: Final answer
x = 681,092.94
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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.