Finding the Fourth Proportional to 903,908.44, 1,247,471.12 and 496,089.12
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Solution
The fourth proportional to 903,908.44, 1,247,471.12 and 496,089.12 is: 684,645.50
Step by Step Solution
- Step 1: Write the proportion equation
903,908.44 : 1,247,471.12 = 496,089.12 : x - Step 2: Convert to fraction form
903,908.44/1,247,471.12 = 496,089.12/x - Step 3: Cross multiply
903,908.44x = 1,247,471.12 × 496,089.12 - Step 4: Simplify right side
903,908.44x = 618,856,850,146.22 - Step 5: Solve for x
x = 618,856,850,146.22/903,908.44 - Step 6: Final answer
x = 684,645.50
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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.