Finding the Fourth Proportional to 756,876.26, 1,135,314.39 and 519,499.28
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Solution
The fourth proportional to 756,876.26, 1,135,314.39 and 519,499.28 is: 779,248.92
Step by Step Solution
- Step 1: Write the proportion equation
756,876.26 : 1,135,314.39 = 519,499.28 : x - Step 2: Convert to fraction form
756,876.26/1,135,314.39 = 519,499.28/x - Step 3: Cross multiply
756,876.26x = 1,135,314.39 × 519,499.28 - Step 4: Simplify right side
756,876.26x = 589,795,012,965.05 - Step 5: Solve for x
x = 589,795,012,965.05/756,876.26 - Step 6: Final answer
x = 779,248.92
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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.