Finding the Fourth Proportional to 718,010.15, 1,077,113.63 and 318,642.08
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Solution
The fourth proportional to 718,010.15, 1,077,113.63 and 318,642.08 is: 478,006.79
Step by Step Solution
- Step 1: Write the proportion equation
718,010.15 : 1,077,113.63 = 318,642.08 : x - Step 2: Convert to fraction form
718,010.15/1,077,113.63 = 318,642.08/x - Step 3: Cross multiply
718,010.15x = 1,077,113.63 × 318,642.08 - Step 4: Simplify right side
718,010.15x = 343,213,722,870.59 - Step 5: Solve for x
x = 343,213,722,870.59/718,010.15 - Step 6: Final answer
x = 478,006.79
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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.