Finding the Fourth Proportional to 1,016,799.35, 1,403,136.14 and 557,902.49
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Solution
The fourth proportional to 1,016,799.35, 1,403,136.14 and 557,902.49 is: 769,879.66
Step by Step Solution
- Step 1: Write the proportion equation
1,016,799.35 : 1,403,136.14 = 557,902.49 : x - Step 2: Convert to fraction form
1,016,799.35/1,403,136.14 = 557,902.49/x - Step 3: Cross multiply
1,016,799.35x = 1,403,136.14 × 557,902.49 - Step 4: Simplify right side
1,016,799.35x = 782,813,136,509.80 - Step 5: Solve for x
x = 782,813,136,509.80/1,016,799.35 - Step 6: Final answer
x = 769,879.66
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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.