Finding the Fourth Proportional to 916,193.43, 1,373,625.68 and 615,929.13
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Solution
The fourth proportional to 916,193.43, 1,373,625.68 and 615,929.13 is: 923,446.99
Step by Step Solution
- Step 1: Write the proportion equation
916,193.43 : 1,373,625.68 = 615,929.13 : x - Step 2: Convert to fraction form
916,193.43/1,373,625.68 = 615,929.13/x - Step 3: Cross multiply
916,193.43x = 1,373,625.68 × 615,929.13 - Step 4: Simplify right side
916,193.43x = 846,056,066,948.41 - Step 5: Solve for x
x = 846,056,066,948.41/916,193.43 - Step 6: Final answer
x = 923,446.99
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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.