Finding the Fourth Proportional to 816,277.84, 1,224,429.12 and 310,866.80
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Solution
The fourth proportional to 816,277.84, 1,224,429.12 and 310,866.80 is: 466,304.91
Step by Step Solution
- Step 1: Write the proportion equation
816,277.84 : 1,224,429.12 = 310,866.80 : x - Step 2: Convert to fraction form
816,277.84/1,224,429.12 = 310,866.80/x - Step 3: Cross multiply
816,277.84x = 1,224,429.12 × 310,866.80 - Step 4: Simplify right side
816,277.84x = 380,634,362,361.22 - Step 5: Solve for x
x = 380,634,362,361.22/816,277.84 - Step 6: Final answer
x = 466,304.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.