Finding the Fourth Proportional to 875,990.73, 1,208,584.14 and 488,743.36
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Solution
The fourth proportional to 875,990.73, 1,208,584.14 and 488,743.36 is: 674,307.91
Step by Step Solution
- Step 1: Write the proportion equation
875,990.73 : 1,208,584.14 = 488,743.36 : x - Step 2: Convert to fraction form
875,990.73/1,208,584.14 = 488,743.36/x - Step 3: Cross multiply
875,990.73x = 1,208,584.14 × 488,743.36 - Step 4: Simplify right side
875,990.73x = 590,687,476,447.77 - Step 5: Solve for x
x = 590,687,476,447.77/875,990.73 - Step 6: Final answer
x = 674,307.91
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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.