Finding the Fourth Proportional to 730,546.80, 1,095,907.68 and 309,768
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Solution
The fourth proportional to 730,546.80, 1,095,907.68 and 309,768 is: 464,689.09
Step by Step Solution
- Step 1: Write the proportion equation
730,546.80 : 1,095,907.68 = 309,768 : x - Step 2: Convert to fraction form
730,546.80/1,095,907.68 = 309,768/x - Step 3: Cross multiply
730,546.80x = 1,095,907.68 × 309,768 - Step 4: Simplify right side
730,546.80x = 339,477,130,218.24 - Step 5: Solve for x
x = 339,477,130,218.24/730,546.80 - Step 6: Final answer
x = 464,689.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.