Finding the Fourth Proportional to 957,137.19, 1,320,877.11 and 527,445.02
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Solution
The fourth proportional to 957,137.19, 1,320,877.11 and 527,445.02 is: 727,889.43
Step by Step Solution
- Step 1: Write the proportion equation
957,137.19 : 1,320,877.11 = 527,445.02 : x - Step 2: Convert to fraction form
957,137.19/1,320,877.11 = 527,445.02/x - Step 3: Cross multiply
957,137.19x = 1,320,877.11 × 527,445.02 - Step 4: Simplify right side
957,137.19x = 696,690,047,097.11 - Step 5: Solve for x
x = 696,690,047,097.11/957,137.19 - Step 6: Final answer
x = 727,889.43
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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.