Finding the Fourth Proportional to 908,504.64, 1,253,791.46 and 500,605.99
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Solution
The fourth proportional to 908,504.64, 1,253,791.46 and 500,605.99 is: 690,866.60
Step by Step Solution
- Step 1: Write the proportion equation
908,504.64 : 1,253,791.46 = 500,605.99 : x - Step 2: Convert to fraction form
908,504.64/1,253,791.46 = 500,605.99/x - Step 3: Cross multiply
908,504.64x = 1,253,791.46 × 500,605.99 - Step 4: Simplify right side
908,504.64x = 627,655,516,733.38 - Step 5: Solve for x
x = 627,655,516,733.38/908,504.64 - Step 6: Final answer
x = 690,866.60
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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.