Finding the Fourth Proportional to 636,534.42, 878,397.39 and 350,053.62
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Solution
The fourth proportional to 636,534.42, 878,397.39 and 350,053.62 is: 483,062.94
Step by Step Solution
- Step 1: Write the proportion equation
636,534.42 : 878,397.39 = 350,053.62 : x - Step 2: Convert to fraction form
636,534.42/878,397.39 = 350,053.62/x - Step 3: Cross multiply
636,534.42x = 878,397.39 × 350,053.62 - Step 4: Simplify right side
636,534.42x = 307,486,186,168.05 - Step 5: Solve for x
x = 307,486,186,168.05/636,534.42 - Step 6: Final answer
x = 483,062.94
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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.