Finding the Fourth Proportional to 544,454.55, 816,847.97 and 278,401.95
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Solution
The fourth proportional to 544,454.55, 816,847.97 and 278,401.95 is: 417,687.88
Step by Step Solution
- Step 1: Write the proportion equation
544,454.55 : 816,847.97 = 278,401.95 : x - Step 2: Convert to fraction form
544,454.55/816,847.97 = 278,401.95/x - Step 3: Cross multiply
544,454.55x = 816,847.97 × 278,401.95 - Step 4: Simplify right side
544,454.55x = 227,412,067,701.54 - Step 5: Solve for x
x = 227,412,067,701.54/544,454.55 - Step 6: Final answer
x = 417,687.88
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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.