Finding the Fourth Proportional to 621,819.99, 858,181.23 and 349,954.02
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Solution
The fourth proportional to 621,819.99, 858,181.23 and 349,954.02 is: 482,975.74
Step by Step Solution
- Step 1: Write the proportion equation
621,819.99 : 858,181.23 = 349,954.02 : x - Step 2: Convert to fraction form
621,819.99/858,181.23 = 349,954.02/x - Step 3: Cross multiply
621,819.99x = 858,181.23 × 349,954.02 - Step 4: Simplify right side
621,819.99x = 300,323,971,327.05 - Step 5: Solve for x
x = 300,323,971,327.05/621,819.99 - Step 6: Final answer
x = 482,975.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.