Finding the Fourth Proportional to 500,269.14, 749,617.43 and 386,694.99
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Solution
The fourth proportional to 500,269.14, 749,617.43 and 386,694.99 is: 579,434.71
Step by Step Solution
- Step 1: Write the proportion equation
500,269.14 : 749,617.43 = 386,694.99 : x - Step 2: Convert to fraction form
500,269.14/749,617.43 = 386,694.99/x - Step 3: Cross multiply
500,269.14x = 749,617.43 × 386,694.99 - Step 4: Simplify right side
500,269.14x = 289,873,302,664.20 - Step 5: Solve for x
x = 289,873,302,664.20/500,269.14 - Step 6: Final answer
x = 579,434.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.