Finding the Fourth Proportional to 908,862.12, 1,254,302.01 and 501,036.84
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Solution
The fourth proportional to 908,862.12, 1,254,302.01 and 501,036.84 is: 691,470.69
Step by Step Solution
- Step 1: Write the proportion equation
908,862.12 : 1,254,302.01 = 501,036.84 : x - Step 2: Convert to fraction form
908,862.12/1,254,302.01 = 501,036.84/x - Step 3: Cross multiply
908,862.12x = 1,254,302.01 × 501,036.84 - Step 4: Simplify right side
908,862.12x = 628,451,515,496.05 - Step 5: Solve for x
x = 628,451,515,496.05/908,862.12 - Step 6: Final answer
x = 691,470.69
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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.