Finding the Fourth Proportional to 753,414.05, 1,039,730.14 and 409,249.87
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Solution
The fourth proportional to 753,414.05, 1,039,730.14 and 409,249.87 is: 564,775.01
Step by Step Solution
- Step 1: Write the proportion equation
753,414.05 : 1,039,730.14 = 409,249.87 : x - Step 2: Convert to fraction form
753,414.05/1,039,730.14 = 409,249.87/x - Step 3: Cross multiply
753,414.05x = 1,039,730.14 × 409,249.87 - Step 4: Simplify right side
753,414.05x = 425,509,428,390.80 - Step 5: Solve for x
x = 425,509,428,390.80/753,414.05 - Step 6: Final answer
x = 564,775.01
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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.