Finding the Fourth Proportional to 734,847.29, 1,102,340.24 and 285,602.56
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Solution
The fourth proportional to 734,847.29, 1,102,340.24 and 285,602.56 is: 428,430.77
Step by Step Solution
- Step 1: Write the proportion equation
734,847.29 : 1,102,340.24 = 285,602.56 : x - Step 2: Convert to fraction form
734,847.29/1,102,340.24 = 285,602.56/x - Step 3: Cross multiply
734,847.29x = 1,102,340.24 × 285,602.56 - Step 4: Simplify right side
734,847.29x = 314,831,191,422.16 - Step 5: Solve for x
x = 314,831,191,422.16/734,847.29 - Step 6: Final answer
x = 428,430.77
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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.