Finding the Fourth Proportional to 750,858.29, 1,036,176.18 and 406,685.66
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Solution
The fourth proportional to 750,858.29, 1,036,176.18 and 406,685.66 is: 561,221.74
Step by Step Solution
- Step 1: Write the proportion equation
750,858.29 : 1,036,176.18 = 406,685.66 : x - Step 2: Convert to fraction form
750,858.29/1,036,176.18 = 406,685.66/x - Step 3: Cross multiply
750,858.29x = 1,036,176.18 × 406,685.66 - Step 4: Simplify right side
750,858.29x = 421,397,993,639.58 - Step 5: Solve for x
x = 421,397,993,639.58/750,858.29 - Step 6: Final answer
x = 561,221.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.