Finding the Fourth Proportional to 783,907.08, 1,082,326.02 and 526,170.60
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Solution
The fourth proportional to 783,907.08, 1,082,326.02 and 526,170.60 is: 726,474.02
Step by Step Solution
- Step 1: Write the proportion equation
783,907.08 : 1,082,326.02 = 526,170.60 : x - Step 2: Convert to fraction form
783,907.08/1,082,326.02 = 526,170.60/x - Step 3: Cross multiply
783,907.08x = 1,082,326.02 × 526,170.60 - Step 4: Simplify right side
783,907.08x = 569,488,131,339.01 - Step 5: Solve for x
x = 569,488,131,339.01/783,907.08 - Step 6: Final answer
x = 726,474.02
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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.