Finding the Fourth Proportional to 912,476.88, 1,368,245.88 and 533,481.12
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Solution
The fourth proportional to 912,476.88, 1,368,245.88 and 533,481.12 is: 799,947.22
Step by Step Solution
- Step 1: Write the proportion equation
912,476.88 : 1,368,245.88 = 533,481.12 : x - Step 2: Convert to fraction form
912,476.88/1,368,245.88 = 533,481.12/x - Step 3: Cross multiply
912,476.88x = 1,368,245.88 × 533,481.12 - Step 4: Simplify right side
912,476.88x = 729,933,344,497.79 - Step 5: Solve for x
x = 729,933,344,497.79/912,476.88 - Step 6: Final answer
x = 799,947.22
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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.