Finding the Fourth Proportional to 547,739.08, 755,880.25 and 306,021.65
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Solution
The fourth proportional to 547,739.08, 755,880.25 and 306,021.65 is: 422,310.06
Step by Step Solution
- Step 1: Write the proportion equation
547,739.08 : 755,880.25 = 306,021.65 : x - Step 2: Convert to fraction form
547,739.08/755,880.25 = 306,021.65/x - Step 3: Cross multiply
547,739.08x = 755,880.25 × 306,021.65 - Step 4: Simplify right side
547,739.08x = 231,315,721,397.31 - Step 5: Solve for x
x = 231,315,721,397.31/547,739.08 - Step 6: Final answer
x = 422,310.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.