Finding the Fourth Proportional to 548,350.80, 821,359.80 and 455,038.80
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Solution
The fourth proportional to 548,350.80, 821,359.80 and 455,038.80 is: 681,590.28
Step by Step Solution
- Step 1: Write the proportion equation
548,350.80 : 821,359.80 = 455,038.80 : x - Step 2: Convert to fraction form
548,350.80/821,359.80 = 455,038.80/x - Step 3: Cross multiply
548,350.80x = 821,359.80 × 455,038.80 - Step 4: Simplify right side
548,350.80x = 373,750,577,760.24 - Step 5: Solve for x
x = 373,750,577,760.24/548,350.80 - Step 6: Final answer
x = 681,590.28
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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.