Finding the Fourth Proportional to 729,711.84, 1,006,736.40 and 427,847.52
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Solution
The fourth proportional to 729,711.84, 1,006,736.40 and 427,847.52 is: 590,273.65
Step by Step Solution
- Step 1: Write the proportion equation
729,711.84 : 1,006,736.40 = 427,847.52 : x - Step 2: Convert to fraction form
729,711.84/1,006,736.40 = 427,847.52/x - Step 3: Cross multiply
729,711.84x = 1,006,736.40 × 427,847.52 - Step 4: Simplify right side
729,711.84x = 430,729,672,033.73 - Step 5: Solve for x
x = 430,729,672,033.73/729,711.84 - Step 6: Final answer
x = 590,273.65
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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.