Finding the Fourth Proportional to 989,881.13, 1,366,035.93 and 537,172.13
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Solution
The fourth proportional to 989,881.13, 1,366,035.93 and 537,172.13 is: 741,297.52
Step by Step Solution
- Step 1: Write the proportion equation
989,881.13 : 1,366,035.93 = 537,172.13 : x - Step 2: Convert to fraction form
989,881.13/1,366,035.93 = 537,172.13/x - Step 3: Cross multiply
989,881.13x = 1,366,035.93 × 537,172.13 - Step 4: Simplify right side
989,881.13x = 733,796,430,174.63 - Step 5: Solve for x
x = 733,796,430,174.63/989,881.13 - Step 6: Final answer
x = 741,297.52
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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.