Finding the Fourth Proportional to 851,569.09, 1,275,907.68 and 513,900.18
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Solution
The fourth proportional to 851,569.09, 1,275,907.68 and 513,900.18 is: 769,977.67
Step by Step Solution
- Step 1: Write the proportion equation
851,569.09 : 1,275,907.68 = 513,900.18 : x - Step 2: Convert to fraction form
851,569.09/1,275,907.68 = 513,900.18/x - Step 3: Cross multiply
851,569.09x = 1,275,907.68 × 513,900.18 - Step 4: Simplify right side
851,569.09x = 655,689,186,415.38 - Step 5: Solve for x
x = 655,689,186,415.38/851,569.09 - Step 6: Final answer
x = 769,977.67
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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.