Finding the Fourth Proportional to 1,115,465.28, 1,672,458.24 and 405,408.96
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Solution
The fourth proportional to 1,115,465.28, 1,672,458.24 and 405,408.96 is: 607,844.61
Step by Step Solution
- Step 1: Write the proportion equation
1,115,465.28 : 1,672,458.24 = 405,408.96 : x - Step 2: Convert to fraction form
1,115,465.28/1,672,458.24 = 405,408.96/x - Step 3: Cross multiply
1,115,465.28x = 1,672,458.24 × 405,408.96 - Step 4: Simplify right side
1,115,465.28x = 678,029,555,721.83 - Step 5: Solve for x
x = 678,029,555,721.83/1,115,465.28 - Step 6: Final answer
x = 607,844.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.