Finding the Fourth Proportional to 727,666.47, 1,091,650.91 and 306,945.99
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Solution
The fourth proportional to 727,666.47, 1,091,650.91 and 306,945.99 is: 460,482.76
Step by Step Solution
- Step 1: Write the proportion equation
727,666.47 : 1,091,650.91 = 306,945.99 : x - Step 2: Convert to fraction form
727,666.47/1,091,650.91 = 306,945.99/x - Step 3: Cross multiply
727,666.47x = 1,091,650.91 × 306,945.99 - Step 4: Simplify right side
727,666.47x = 335,077,867,769.62 - Step 5: Solve for x
x = 335,077,867,769.62/727,666.47 - Step 6: Final answer
x = 460,482.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.