Finding the Fourth Proportional to 840,826.62, 1,261,682.79 and 486,089.82
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Solution
The fourth proportional to 840,826.62, 1,261,682.79 and 486,089.82 is: 729,390.75
Step by Step Solution
- Step 1: Write the proportion equation
840,826.62 : 1,261,682.79 = 486,089.82 : x - Step 2: Convert to fraction form
840,826.62/1,261,682.79 = 486,089.82/x - Step 3: Cross multiply
840,826.62x = 1,261,682.79 × 486,089.82 - Step 4: Simplify right side
840,826.62x = 613,291,160,288.20 - Step 5: Solve for x
x = 613,291,160,288.20/840,826.62 - Step 6: Final answer
x = 729,390.75
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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.