Finding the Fourth Proportional to 989,268.75, 1,365,190.97 and 559,539.63
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Solution
The fourth proportional to 989,268.75, 1,365,190.97 and 559,539.63 is: 772,164.74
Step by Step Solution
- Step 1: Write the proportion equation
989,268.75 : 1,365,190.97 = 559,539.63 : x - Step 2: Convert to fraction form
989,268.75/1,365,190.97 = 559,539.63/x - Step 3: Cross multiply
989,268.75x = 1,365,190.97 × 559,539.63 - Step 4: Simplify right side
989,268.75x = 763,878,447,435.44 - Step 5: Solve for x
x = 763,878,447,435.44/989,268.75 - Step 6: Final answer
x = 772,164.74
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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.