Finding the Fourth Proportional to 1,000,331.51, 1,380,457.35 and 541,445.99
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Solution
The fourth proportional to 1,000,331.51, 1,380,457.35 and 541,445.99 is: 747,195.39
Step by Step Solution
- Step 1: Write the proportion equation
1,000,331.51 : 1,380,457.35 = 541,445.99 : x - Step 2: Convert to fraction form
1,000,331.51/1,380,457.35 = 541,445.99/x - Step 3: Cross multiply
1,000,331.51x = 1,380,457.35 × 541,445.99 - Step 4: Simplify right side
1,000,331.51x = 747,443,089,621.24 - Step 5: Solve for x
x = 747,443,089,621.24/1,000,331.51 - Step 6: Final answer
x = 747,195.39
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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.