Finding the Fourth Proportional to 725,902.01, 1,088,998.36 and 406,508.09
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Solution
The fourth proportional to 725,902.01, 1,088,998.36 and 406,508.09 is: 609,843.53
Step by Step Solution
- Step 1: Write the proportion equation
725,902.01 : 1,088,998.36 = 406,508.09 : x - Step 2: Convert to fraction form
725,902.01/1,088,998.36 = 406,508.09/x - Step 3: Cross multiply
725,902.01x = 1,088,998.36 × 406,508.09 - Step 4: Simplify right side
725,902.01x = 442,686,643,336.73 - Step 5: Solve for x
x = 442,686,643,336.73/725,902.01 - Step 6: Final answer
x = 609,843.53
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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.