Finding the Fourth Proportional to 548,588.94, 757,017.18 and 306,829.68
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Solution
The fourth proportional to 548,588.94, 757,017.18 and 306,829.68 is: 423,405.07
Step by Step Solution
- Step 1: Write the proportion equation
548,588.94 : 757,017.18 = 306,829.68 : x - Step 2: Convert to fraction form
548,588.94/757,017.18 = 306,829.68/x - Step 3: Cross multiply
548,588.94x = 757,017.18 × 306,829.68 - Step 4: Simplify right side
548,588.94x = 232,275,339,093.90 - Step 5: Solve for x
x = 232,275,339,093.90/548,588.94 - Step 6: Final answer
x = 423,405.07
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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.