Finding the Fourth Proportional to 548,929.80, 823,913.10 and 338,977.80
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Solution
The fourth proportional to 548,929.80, 823,913.10 and 338,977.80 is: 508,786.82
Step by Step Solution
- Step 1: Write the proportion equation
548,929.80 : 823,913.10 = 338,977.80 : x - Step 2: Convert to fraction form
548,929.80/823,913.10 = 338,977.80/x - Step 3: Cross multiply
548,929.80x = 823,913.10 × 338,977.80 - Step 4: Simplify right side
548,929.80x = 279,288,250,029.18 - Step 5: Solve for x
x = 279,288,250,029.18/548,929.80 - Step 6: Final answer
x = 508,786.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.