Finding the Fourth Proportional to 734,865.36, 1,102,014.65 and 285,527.07
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Solution
The fourth proportional to 734,865.36, 1,102,014.65 and 285,527.07 is: 428,180.49
Step by Step Solution
- Step 1: Write the proportion equation
734,865.36 : 1,102,014.65 = 285,527.07 : x - Step 2: Convert to fraction form
734,865.36/1,102,014.65 = 285,527.07/x - Step 3: Cross multiply
734,865.36x = 1,102,014.65 × 285,527.07 - Step 4: Simplify right side
734,865.36x = 314,655,012,683.94 - Step 5: Solve for x
x = 314,655,012,683.94/734,865.36 - Step 6: Final answer
x = 428,180.49
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1.5x scale
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.