Finding the Fourth Proportional to 725,066.10, 1,087,599.62 and 275,683.08
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Solution
The fourth proportional to 725,066.10, 1,087,599.62 and 275,683.08 is: 413,524.80
Step by Step Solution
- Step 1: Write the proportion equation
725,066.10 : 1,087,599.62 = 275,683.08 : x - Step 2: Convert to fraction form
725,066.10/1,087,599.62 = 275,683.08/x - Step 3: Cross multiply
725,066.10x = 1,087,599.62 × 275,683.08 - Step 4: Simplify right side
725,066.10x = 299,832,811,670.01 - Step 5: Solve for x
x = 299,832,811,670.01/725,066.10 - Step 6: Final answer
x = 413,524.80
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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.