Finding the Fourth Proportional to 734,621.07, 1,102,169.76 and 360,381.63
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Solution
The fourth proportional to 734,621.07, 1,102,169.76 and 360,381.63 is: 540,689.28
Step by Step Solution
- Step 1: Write the proportion equation
734,621.07 : 1,102,169.76 = 360,381.63 : x - Step 2: Convert to fraction form
734,621.07/1,102,169.76 = 360,381.63/x - Step 3: Cross multiply
734,621.07x = 1,102,169.76 × 360,381.63 - Step 4: Simplify right side
734,621.07x = 397,201,734,645.51 - Step 5: Solve for x
x = 397,201,734,645.51/734,621.07 - Step 6: Final answer
x = 540,689.28
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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.