Finding the Fourth Proportional to 1,040,727.48, 1,561,339.68 and 330,756.81
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Solution
The fourth proportional to 1,040,727.48, 1,561,339.68 and 330,756.81 is: 496,214.18
Step by Step Solution
- Step 1: Write the proportion equation
1,040,727.48 : 1,561,339.68 = 330,756.81 : x - Step 2: Convert to fraction form
1,040,727.48/1,561,339.68 = 330,756.81/x - Step 3: Cross multiply
1,040,727.48x = 1,561,339.68 × 330,756.81 - Step 4: Simplify right side
1,040,727.48x = 516,423,731,883.22 - Step 5: Solve for x
x = 516,423,731,883.22/1,040,727.48 - Step 6: Final answer
x = 496,214.18
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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.