Finding the Fourth Proportional to 720,173.39, 1,080,420.84 and 270,897.98
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Solution
The fourth proportional to 720,173.39, 1,080,420.84 and 270,897.98 is: 406,407.43
Step by Step Solution
- Step 1: Write the proportion equation
720,173.39 : 1,080,420.84 = 270,897.98 : x - Step 2: Convert to fraction form
720,173.39/1,080,420.84 = 270,897.98/x - Step 3: Cross multiply
720,173.39x = 1,080,420.84 × 270,897.98 - Step 4: Simplify right side
720,173.39x = 292,683,817,703.80 - Step 5: Solve for x
x = 292,683,817,703.80/720,173.39 - Step 6: Final answer
x = 406,407.43
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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.