Finding the Fourth Proportional to 908,032.21, 1,253,092.93 and 500,135.53
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Solution
The fourth proportional to 908,032.21, 1,253,092.93 and 500,135.53 is: 690,191.69
Step by Step Solution
- Step 1: Write the proportion equation
908,032.21 : 1,253,092.93 = 500,135.53 : x - Step 2: Convert to fraction form
908,032.21/1,253,092.93 = 500,135.53/x - Step 3: Cross multiply
908,032.21x = 1,253,092.93 × 500,135.53 - Step 4: Simplify right side
908,032.21x = 626,716,289,013.15 - Step 5: Solve for x
x = 626,716,289,013.15/908,032.21 - Step 6: Final answer
x = 690,191.69
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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.