Finding the Fourth Proportional to 989,626.24, 1,365,684.24 and 559,897.12
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Solution
The fourth proportional to 989,626.24, 1,365,684.24 and 559,897.12 is: 772,658.04
Step by Step Solution
- Step 1: Write the proportion equation
989,626.24 : 1,365,684.24 = 559,897.12 : x - Step 2: Convert to fraction form
989,626.24/1,365,684.24 = 559,897.12/x - Step 3: Cross multiply
989,626.24x = 1,365,684.24 × 559,897.12 - Step 4: Simplify right side
989,626.24x = 764,642,672,805.39 - Step 5: Solve for x
x = 764,642,672,805.39/989,626.24 - Step 6: Final answer
x = 772,658.04
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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.