Finding the Fourth Proportional to 876,073.73, 1,209,240.29 and 513,576.05
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Solution
The fourth proportional to 876,073.73, 1,209,240.29 and 513,576.05 is: 708,886.51
Step by Step Solution
- Step 1: Write the proportion equation
876,073.73 : 1,209,240.29 = 513,576.05 : x - Step 2: Convert to fraction form
876,073.73/1,209,240.29 = 513,576.05/x - Step 3: Cross multiply
876,073.73x = 1,209,240.29 × 513,576.05 - Step 4: Simplify right side
876,073.73x = 621,036,846,876.79 - Step 5: Solve for x
x = 621,036,846,876.79/876,073.73 - Step 6: Final answer
x = 708,886.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.