Finding the Fourth Proportional to 986,452.18, 1,478,789.67 and 354,921.64
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Solution
The fourth proportional to 986,452.18, 1,478,789.67 and 354,921.64 is: 532,062.75
Step by Step Solution
- Step 1: Write the proportion equation
986,452.18 : 1,478,789.67 = 354,921.64 : x - Step 2: Convert to fraction form
986,452.18/1,478,789.67 = 354,921.64/x - Step 3: Cross multiply
986,452.18x = 1,478,789.67 × 354,921.64 - Step 4: Simplify right side
986,452.18x = 524,854,454,891.46 - Step 5: Solve for x
x = 524,854,454,891.46/986,452.18 - Step 6: Final answer
x = 532,062.75
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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.