Finding the Fourth Proportional to 986,891.40, 1,480,927.68 and 906,584.76
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Solution
The fourth proportional to 986,891.40, 1,480,927.68 and 906,584.76 is: 1,360,419.66
Step by Step Solution
- Step 1: Write the proportion equation
986,891.40 : 1,480,927.68 = 906,584.76 : x - Step 2: Convert to fraction form
986,891.40/1,480,927.68 = 906,584.76/x - Step 3: Cross multiply
986,891.40x = 1,480,927.68 × 906,584.76 - Step 4: Simplify right side
986,891.40x = 1,342,586,465,350.16 - Step 5: Solve for x
x = 1,342,586,465,350.16/986,891.40 - Step 6: Final answer
x = 1,360,419.66
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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.