Finding the Fourth Proportional to 786,478.68, 1,179,718.86 and 195,502.68
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Solution
The fourth proportional to 786,478.68, 1,179,718.86 and 195,502.68 is: 293,254.23
Step by Step Solution
- Step 1: Write the proportion equation
786,478.68 : 1,179,718.86 = 195,502.68 : x - Step 2: Convert to fraction form
786,478.68/1,179,718.86 = 195,502.68/x - Step 3: Cross multiply
786,478.68x = 1,179,718.86 × 195,502.68 - Step 4: Simplify right side
786,478.68x = 230,638,198,776.55 - Step 5: Solve for x
x = 230,638,198,776.55/786,478.68 - Step 6: Final answer
x = 293,254.23
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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.