Finding the Fourth Proportional to 680,819.68, 1,021,860.71 and 344,097.31
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Solution
The fourth proportional to 680,819.68, 1,021,860.71 and 344,097.31 is: 516,464.98
Step by Step Solution
- Step 1: Write the proportion equation
680,819.68 : 1,021,860.71 = 344,097.31 : x - Step 2: Convert to fraction form
680,819.68/1,021,860.71 = 344,097.31/x - Step 3: Cross multiply
680,819.68x = 1,021,860.71 × 344,097.31 - Step 4: Simplify right side
680,819.68x = 351,619,521,505.69 - Step 5: Solve for x
x = 351,619,521,505.69/680,819.68 - Step 6: Final answer
x = 516,464.98
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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.