Finding the Fourth Proportional to 664,816.26, 917,448.90 and 363,010.26
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Solution
The fourth proportional to 664,816.26, 917,448.90 and 363,010.26 is: 500,955.50
Step by Step Solution
- Step 1: Write the proportion equation
664,816.26 : 917,448.90 = 363,010.26 : x - Step 2: Convert to fraction form
664,816.26/917,448.90 = 363,010.26/x - Step 3: Cross multiply
664,816.26x = 917,448.90 × 363,010.26 - Step 4: Simplify right side
664,816.26x = 333,043,363,725.71 - Step 5: Solve for x
x = 333,043,363,725.71/664,816.26 - Step 6: Final answer
x = 500,955.50
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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.