Finding the Fourth Proportional to 851,428.89, 1,275,698.04 and 513,759.99
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Solution
The fourth proportional to 851,428.89, 1,275,698.04 and 513,759.99 is: 769,767.88
Step by Step Solution
- Step 1: Write the proportion equation
851,428.89 : 1,275,698.04 = 513,759.99 : x - Step 2: Convert to fraction form
851,428.89/1,275,698.04 = 513,759.99/x - Step 3: Cross multiply
851,428.89x = 1,275,698.04 × 513,759.99 - Step 4: Simplify right side
851,428.89x = 655,402,612,273.42 - Step 5: Solve for x
x = 655,402,612,273.42/851,428.89 - Step 6: Final answer
x = 769,767.88
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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.