Finding the Fourth Proportional to 986,705.22, 1,479,932.99 and 312,793.02
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Solution
The fourth proportional to 986,705.22, 1,479,932.99 and 312,793.02 is: 469,149.95
Step by Step Solution
- Step 1: Write the proportion equation
986,705.22 : 1,479,932.99 = 312,793.02 : x - Step 2: Convert to fraction form
986,705.22/1,479,932.99 = 312,793.02/x - Step 3: Cross multiply
986,705.22x = 1,479,932.99 × 312,793.02 - Step 4: Simplify right side
986,705.22x = 462,912,709,339.73 - Step 5: Solve for x
x = 462,912,709,339.73/986,705.22 - Step 6: Final answer
x = 469,149.95
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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.