Finding the Fourth Proportional to 982,613.14, 1,355,990.43 and 552,893.02
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Solution
The fourth proportional to 982,613.14, 1,355,990.43 and 552,893.02 is: 762,983.53
Step by Step Solution
- Step 1: Write the proportion equation
982,613.14 : 1,355,990.43 = 552,893.02 : x - Step 2: Convert to fraction form
982,613.14/1,355,990.43 = 552,893.02/x - Step 3: Cross multiply
982,613.14x = 1,355,990.43 × 552,893.02 - Step 4: Simplify right side
982,613.14x = 749,717,643,933.80 - Step 5: Solve for x
x = 749,717,643,933.80/982,613.14 - Step 6: Final answer
x = 762,983.53
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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.