Finding the Fourth Proportional to 782,305.36, 1,079,492.04 and 438,093.44
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Solution
The fourth proportional to 782,305.36, 1,079,492.04 and 438,093.44 is: 604,518.91
Step by Step Solution
- Step 1: Write the proportion equation
782,305.36 : 1,079,492.04 = 438,093.44 : x - Step 2: Convert to fraction form
782,305.36/1,079,492.04 = 438,093.44/x - Step 3: Cross multiply
782,305.36x = 1,079,492.04 × 438,093.44 - Step 4: Simplify right side
782,305.36x = 472,918,381,256.22 - Step 5: Solve for x
x = 472,918,381,256.22/782,305.36 - Step 6: Final answer
x = 604,518.91
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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.