Finding the Fourth Proportional to 775,631.12, 1,162,817.94 and 348,854.46
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Solution
The fourth proportional to 775,631.12, 1,162,817.94 and 348,854.46 is: 522,998.90
Step by Step Solution
- Step 1: Write the proportion equation
775,631.12 : 1,162,817.94 = 348,854.46 : x - Step 2: Convert to fraction form
775,631.12/1,162,817.94 = 348,854.46/x - Step 3: Cross multiply
775,631.12x = 1,162,817.94 × 348,854.46 - Step 4: Simplify right side
775,631.12x = 405,654,224,537.01 - Step 5: Solve for x
x = 405,654,224,537.01/775,631.12 - Step 6: Final answer
x = 522,998.90
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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.