Finding the Fourth Proportional to 809,619.84, 1,117,292.84 and 447,066.74
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Solution
The fourth proportional to 809,619.84, 1,117,292.84 and 447,066.74 is: 616,961.75
Step by Step Solution
- Step 1: Write the proportion equation
809,619.84 : 1,117,292.84 = 447,066.74 : x - Step 2: Convert to fraction form
809,619.84/1,117,292.84 = 447,066.74/x - Step 3: Cross multiply
809,619.84x = 1,117,292.84 × 447,066.74 - Step 4: Simplify right side
809,619.84x = 499,504,469,838.54 - Step 5: Solve for x
x = 499,504,469,838.54/809,619.84 - Step 6: Final answer
x = 616,961.75
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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.