Finding the Fourth Proportional to 991,362.93, 1,368,077.49 and 561,724.97
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Solution
The fourth proportional to 991,362.93, 1,368,077.49 and 561,724.97 is: 775,178.55
Step by Step Solution
- Step 1: Write the proportion equation
991,362.93 : 1,368,077.49 = 561,724.97 : x - Step 2: Convert to fraction form
991,362.93/1,368,077.49 = 561,724.97/x - Step 3: Cross multiply
991,362.93x = 1,368,077.49 × 561,724.97 - Step 4: Simplify right side
991,362.93x = 768,483,280,187.54 - Step 5: Solve for x
x = 768,483,280,187.54/991,362.93 - Step 6: Final answer
x = 775,178.55
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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.