Finding the Fourth Proportional to 835,582.74, 1,152,982.53 and 477,817.62
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Solution
The fourth proportional to 835,582.74, 1,152,982.53 and 477,817.62 is: 659,318.75
Step by Step Solution
- Step 1: Write the proportion equation
835,582.74 : 1,152,982.53 = 477,817.62 : x - Step 2: Convert to fraction form
835,582.74/1,152,982.53 = 477,817.62/x - Step 3: Cross multiply
835,582.74x = 1,152,982.53 × 477,817.62 - Step 4: Simplify right side
835,582.74x = 550,915,368,386.18 - Step 5: Solve for x
x = 550,915,368,386.18/835,582.74 - Step 6: Final answer
x = 659,318.75
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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.