Finding the Fourth Proportional to 665,236.40, 916,947.74 and 519,787.94
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Solution
The fourth proportional to 665,236.40, 916,947.74 and 519,787.94 is: 716,464.67
Step by Step Solution
- Step 1: Write the proportion equation
665,236.40 : 916,947.74 = 519,787.94 : x - Step 2: Convert to fraction form
665,236.40/916,947.74 = 519,787.94/x - Step 3: Cross multiply
665,236.40x = 916,947.74 × 519,787.94 - Step 4: Simplify right side
665,236.40x = 476,618,373,576.99 - Step 5: Solve for x
x = 476,618,373,576.99/665,236.40 - Step 6: Final answer
x = 716,464.67
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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.