Finding the Fourth Proportional to 903,921.36, 1,247,408.04 and 496,029.96
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Solution
The fourth proportional to 903,921.36, 1,247,408.04 and 496,029.96 is: 684,519.46
Step by Step Solution
- Step 1: Write the proportion equation
903,921.36 : 1,247,408.04 = 496,029.96 : x - Step 2: Convert to fraction form
903,921.36/1,247,408.04 = 496,029.96/x - Step 3: Cross multiply
903,921.36x = 1,247,408.04 × 496,029.96 - Step 4: Simplify right side
903,921.36x = 618,751,760,184.88 - Step 5: Solve for x
x = 618,751,760,184.88/903,921.36 - Step 6: Final answer
x = 684,519.46
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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.