Finding the Fourth Proportional to 664,706.26, 917,289.95 and 362,900.26
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Solution
The fourth proportional to 664,706.26, 917,289.95 and 362,900.26 is: 500,799.80
Step by Step Solution
- Step 1: Write the proportion equation
664,706.26 : 917,289.95 = 362,900.26 : x - Step 2: Convert to fraction form
664,706.26/917,289.95 = 362,900.26/x - Step 3: Cross multiply
664,706.26x = 917,289.95 × 362,900.26 - Step 4: Simplify right side
664,706.26x = 332,884,761,350.39 - Step 5: Solve for x
x = 332,884,761,350.39/664,706.26 - Step 6: Final answer
x = 500,799.80
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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.