Finding the Fourth Proportional to 1,016,804.85, 1,403,143.72 and 557,907.99
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Solution
The fourth proportional to 1,016,804.85, 1,403,143.72 and 557,907.99 is: 769,887.25
Step by Step Solution
- Step 1: Write the proportion equation
1,016,804.85 : 1,403,143.72 = 557,907.99 : x - Step 2: Convert to fraction form
1,016,804.85/1,403,143.72 = 557,907.99/x - Step 3: Cross multiply
1,016,804.85x = 1,403,143.72 × 557,907.99 - Step 4: Simplify right side
1,016,804.85x = 782,825,092,506.32 - Step 5: Solve for x
x = 782,825,092,506.32/1,016,804.85 - Step 6: Final answer
x = 769,887.25
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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.