Finding the Fourth Proportional to 851,557.96, 1,275,890.97 and 513,889.08
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Solution
The fourth proportional to 851,557.96, 1,275,890.97 and 513,889.08 is: 769,961.02
Step by Step Solution
- Step 1: Write the proportion equation
851,557.96 : 1,275,890.97 = 513,889.08 : x - Step 2: Convert to fraction form
851,557.96/1,275,890.97 = 513,889.08/x - Step 3: Cross multiply
851,557.96x = 1,275,890.97 × 513,889.08 - Step 4: Simplify right side
851,557.96x = 655,666,433,896.10 - Step 5: Solve for x
x = 655,666,433,896.10/851,557.96 - Step 6: Final answer
x = 769,961.02
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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.