Finding the Fourth Proportional to 725,993.19, 1,088,278.97 and 406,301.18
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Solution
The fourth proportional to 725,993.19, 1,088,278.97 and 406,301.18 is: 609,053.95
Step by Step Solution
- Step 1: Write the proportion equation
725,993.19 : 1,088,278.97 = 406,301.18 : x - Step 2: Convert to fraction form
725,993.19/1,088,278.97 = 406,301.18/x - Step 3: Cross multiply
725,993.19x = 1,088,278.97 × 406,301.18 - Step 4: Simplify right side
725,993.19x = 442,169,022,207.28 - Step 5: Solve for x
x = 442,169,022,207.28/725,993.19 - Step 6: Final answer
x = 609,053.95
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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.