Finding the Fourth Proportional to 626,685.93, 864,735.35 and 358,362.09
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Solution
The fourth proportional to 626,685.93, 864,735.35 and 358,362.09 is: 494,487.51
Step by Step Solution
- Step 1: Write the proportion equation
626,685.93 : 864,735.35 = 358,362.09 : x - Step 2: Convert to fraction form
626,685.93/864,735.35 = 358,362.09/x - Step 3: Cross multiply
626,685.93x = 864,735.35 × 358,362.09 - Step 4: Simplify right side
626,685.93x = 309,888,365,531.07 - Step 5: Solve for x
x = 309,888,365,531.07/626,685.93 - Step 6: Final answer
x = 494,487.51
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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.