Finding the Fourth Proportional to 734,731.71, 1,102,518.05 and 285,394.44
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Solution
The fourth proportional to 734,731.71, 1,102,518.05 and 285,394.44 is: 428,254.99
Step by Step Solution
- Step 1: Write the proportion equation
734,731.71 : 1,102,518.05 = 285,394.44 : x - Step 2: Convert to fraction form
734,731.71/1,102,518.05 = 285,394.44/x - Step 3: Cross multiply
734,731.71x = 1,102,518.05 × 285,394.44 - Step 4: Simplify right side
734,731.71x = 314,652,521,469.64 - Step 5: Solve for x
x = 314,652,521,469.64/734,731.71 - Step 6: Final answer
x = 428,254.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.