Finding the Fourth Proportional to 720,130.74, 1,080,874.08 and 365,399.34
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Solution
The fourth proportional to 720,130.74, 1,080,874.08 and 365,399.34 is: 548,443.02
Step by Step Solution
- Step 1: Write the proportion equation
720,130.74 : 1,080,874.08 = 365,399.34 : x - Step 2: Convert to fraction form
720,130.74/1,080,874.08 = 365,399.34/x - Step 3: Cross multiply
720,130.74x = 1,080,874.08 × 365,399.34 - Step 4: Simplify right side
720,130.74x = 394,950,675,455.11 - Step 5: Solve for x
x = 394,950,675,455.11/720,130.74 - Step 6: Final answer
x = 548,443.02
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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.