Finding the Fourth Proportional to 858,020.99, 1,286,526.78 and 325,579.46
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Solution
The fourth proportional to 858,020.99, 1,286,526.78 and 325,579.46 is: 488,177.67
Step by Step Solution
- Step 1: Write the proportion equation
858,020.99 : 1,286,526.78 = 325,579.46 : x - Step 2: Convert to fraction form
858,020.99/1,286,526.78 = 325,579.46/x - Step 3: Cross multiply
858,020.99x = 1,286,526.78 × 325,579.46 - Step 4: Simplify right side
858,020.99x = 418,866,687,875.31 - Step 5: Solve for x
x = 418,866,687,875.31/858,020.99 - Step 6: Final answer
x = 488,177.67
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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.