Finding the Fourth Proportional to 986,497.56, 1,479,862.98 and 312,609.96
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Solution
The fourth proportional to 986,497.56, 1,479,862.98 and 312,609.96 is: 468,951.90
Step by Step Solution
- Step 1: Write the proportion equation
986,497.56 : 1,479,862.98 = 312,609.96 : x - Step 2: Convert to fraction form
986,497.56/1,479,862.98 = 312,609.96/x - Step 3: Cross multiply
986,497.56x = 1,479,862.98 × 312,609.96 - Step 4: Simplify right side
986,497.56x = 462,619,906,983.28 - Step 5: Solve for x
x = 462,619,906,983.28/986,497.56 - Step 6: Final answer
x = 468,951.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.