Finding the Fourth Proportional to 978,349.41, 1,350,136.08 and 591,111.09
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Solution
The fourth proportional to 978,349.41, 1,350,136.08 and 591,111.09 is: 815,741.70
Step by Step Solution
- Step 1: Write the proportion equation
978,349.41 : 1,350,136.08 = 591,111.09 : x - Step 2: Convert to fraction form
978,349.41/1,350,136.08 = 591,111.09/x - Step 3: Cross multiply
978,349.41x = 1,350,136.08 × 591,111.09 - Step 4: Simplify right side
978,349.41x = 798,080,409,897.13 - Step 5: Solve for x
x = 798,080,409,897.13/978,349.41 - Step 6: Final answer
x = 815,741.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.