Finding the Fourth Proportional to 917,568.28, 1,376,366.26 and 318,548.48
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Solution
The fourth proportional to 917,568.28, 1,376,366.26 and 318,548.48 is: 477,827.52
Step by Step Solution
- Step 1: Write the proportion equation
917,568.28 : 1,376,366.26 = 318,548.48 : x - Step 2: Convert to fraction form
917,568.28/1,376,366.26 = 318,548.48/x - Step 3: Cross multiply
917,568.28x = 1,376,366.26 × 318,548.48 - Step 4: Simplify right side
917,568.28x = 438,439,372,368.08 - Step 5: Solve for x
x = 438,439,372,368.08/917,568.28 - Step 6: Final answer
x = 477,827.52
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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.