Finding the Fourth Proportional to 612,589.48, 845,249.61 and 357,891.46
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Solution
The fourth proportional to 612,589.48, 845,249.61 and 357,891.46 is: 493,817.84
Step by Step Solution
- Step 1: Write the proportion equation
612,589.48 : 845,249.61 = 357,891.46 : x - Step 2: Convert to fraction form
612,589.48/845,249.61 = 357,891.46/x - Step 3: Cross multiply
612,589.48x = 845,249.61 × 357,891.46 - Step 4: Simplify right side
612,589.48x = 302,507,617,951.12 - Step 5: Solve for x
x = 302,507,617,951.12/612,589.48 - Step 6: Final answer
x = 493,817.84
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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.