Finding the Fourth Proportional to 857,812.62, 1,183,923.30 and 475,962.42
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Solution
The fourth proportional to 857,812.62, 1,183,923.30 and 475,962.42 is: 656,906.87
Step by Step Solution
- Step 1: Write the proportion equation
857,812.62 : 1,183,923.30 = 475,962.42 : x - Step 2: Convert to fraction form
857,812.62/1,183,923.30 = 475,962.42/x - Step 3: Cross multiply
857,812.62x = 1,183,923.30 × 475,962.42 - Step 4: Simplify right side
857,812.62x = 563,502,998,962.39 - Step 5: Solve for x
x = 563,502,998,962.39/857,812.62 - Step 6: Final answer
x = 656,906.87
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1.5x scale
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.