Finding the Fourth Proportional to 1,016,809.35, 1,403,149.93 and 557,912.49
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Solution
The fourth proportional to 1,016,809.35, 1,403,149.93 and 557,912.49 is: 769,893.46
Step by Step Solution
- Step 1: Write the proportion equation
1,016,809.35 : 1,403,149.93 = 557,912.49 : x - Step 2: Convert to fraction form
1,016,809.35/1,403,149.93 = 557,912.49/x - Step 3: Cross multiply
1,016,809.35x = 1,403,149.93 × 557,912.49 - Step 4: Simplify right side
1,016,809.35x = 782,834,871,289.63 - Step 5: Solve for x
x = 782,834,871,289.63/1,016,809.35 - Step 6: Final answer
x = 769,893.46
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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.