Finding the Fourth Proportional to 725,321.62, 1,080,692.35 and 684,577.02
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Solution
The fourth proportional to 725,321.62, 1,080,692.35 and 684,577.02 is: 1,019,984.97
Step by Step Solution
- Step 1: Write the proportion equation
725,321.62 : 1,080,692.35 = 684,577.02 : x - Step 2: Convert to fraction form
725,321.62/1,080,692.35 = 684,577.02/x - Step 3: Cross multiply
725,321.62x = 1,080,692.35 × 684,577.02 - Step 4: Simplify right side
725,321.62x = 739,817,148,499.80 - Step 5: Solve for x
x = 739,817,148,499.80/725,321.62 - Step 6: Final answer
x = 1,019,984.97
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.