Finding the Fourth Proportional to 917,568.18, 1,376,366.12 and 318,548.39
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Solution
The fourth proportional to 917,568.18, 1,376,366.12 and 318,548.39 is: 477,827.38
Step by Step Solution
- Step 1: Write the proportion equation
917,568.18 : 1,376,366.12 = 318,548.39 : x - Step 2: Convert to fraction form
917,568.18/1,376,366.12 = 318,548.39/x - Step 3: Cross multiply
917,568.18x = 1,376,366.12 × 318,548.39 - Step 4: Simplify right side
917,568.18x = 438,439,203,101.97 - Step 5: Solve for x
x = 438,439,203,101.97/917,568.18 - Step 6: Final answer
x = 477,827.38
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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.