Finding the Fourth Proportional to 884,231.62, 1,220,239.41 and 481,823.62
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Solution
The fourth proportional to 884,231.62, 1,220,239.41 and 481,823.62 is: 664,916.47
Step by Step Solution
- Step 1: Write the proportion equation
884,231.62 : 1,220,239.41 = 481,823.62 : x - Step 2: Convert to fraction form
884,231.62/1,220,239.41 = 481,823.62/x - Step 3: Cross multiply
884,231.62x = 1,220,239.41 × 481,823.62 - Step 4: Simplify right side
884,231.62x = 587,940,169,792.86 - Step 5: Solve for x
x = 587,940,169,792.86/884,231.62 - Step 6: Final answer
x = 664,916.47
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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.