Finding the Fourth Proportional to 818,583.42, 1,121,464.73 and 787,902.34
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Solution
The fourth proportional to 818,583.42, 1,121,464.73 and 787,902.34 is: 1,079,431.45
Step by Step Solution
- Step 1: Write the proportion equation
818,583.42 : 1,121,464.73 = 787,902.34 : x - Step 2: Convert to fraction form
818,583.42/1,121,464.73 = 787,902.34/x - Step 3: Cross multiply
818,583.42x = 1,121,464.73 × 787,902.34 - Step 4: Simplify right side
818,583.42x = 883,604,688,366.06 - Step 5: Solve for x
x = 883,604,688,366.06/818,583.42 - Step 6: Final answer
x = 1,079,431.45
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.