Finding the Fourth Proportional to 540,217.68, 744,611.31 and 383,106.03
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Solution
The fourth proportional to 540,217.68, 744,611.31 and 383,106.03 is: 528,055.81
Step by Step Solution
- Step 1: Write the proportion equation
540,217.68 : 744,611.31 = 383,106.03 : x - Step 2: Convert to fraction form
540,217.68/744,611.31 = 383,106.03/x - Step 3: Cross multiply
540,217.68x = 744,611.31 × 383,106.03 - Step 4: Simplify right side
540,217.68x = 285,265,082,867.20 - Step 5: Solve for x
x = 285,265,082,867.20/540,217.68 - Step 6: Final answer
x = 528,055.81
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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.