Finding the Fourth Proportional to 622,184.80, 931,894.80 and 511,592.80
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Solution
The fourth proportional to 622,184.80, 931,894.80 and 511,592.80 is: 766,252.52
Step by Step Solution
- Step 1: Write the proportion equation
622,184.80 : 931,894.80 = 511,592.80 : x - Step 2: Convert to fraction form
622,184.80/931,894.80 = 511,592.80/x - Step 3: Cross multiply
622,184.80x = 931,894.80 × 511,592.80 - Step 4: Simplify right side
622,184.80x = 476,750,670,037.44 - Step 5: Solve for x
x = 476,750,670,037.44/622,184.80 - Step 6: Final answer
x = 766,252.52
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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.