Finding the Fourth Proportional to 989,434.44, 1,365,419.97 and 559,705.41
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Solution
The fourth proportional to 989,434.44, 1,365,419.97 and 559,705.41 is: 772,393.72
Step by Step Solution
- Step 1: Write the proportion equation
989,434.44 : 1,365,419.97 = 559,705.41 : x - Step 2: Convert to fraction form
989,434.44/1,365,419.97 = 559,705.41/x - Step 3: Cross multiply
989,434.44x = 1,365,419.97 × 559,705.41 - Step 4: Simplify right side
989,434.44x = 764,232,944,131.04 - Step 5: Solve for x
x = 764,232,944,131.04/989,434.44 - Step 6: Final answer
x = 772,393.72
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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.