Finding the Fourth Proportional to 455,864.80, 682,813.05 and 396,815.80
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Solution
The fourth proportional to 455,864.80, 682,813.05 and 396,815.80 is: 594,367.03
Step by Step Solution
- Step 1: Write the proportion equation
455,864.80 : 682,813.05 = 396,815.80 : x - Step 2: Convert to fraction form
455,864.80/682,813.05 = 396,815.80/x - Step 3: Cross multiply
455,864.80x = 682,813.05 × 396,815.80 - Step 4: Simplify right side
455,864.80x = 270,951,006,686.19 - Step 5: Solve for x
x = 270,951,006,686.19/455,864.80 - Step 6: Final answer
x = 594,367.03
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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.