Finding the Fourth Proportional to 519,310.20, 778,965.30 and 294,583.80
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Solution
The fourth proportional to 519,310.20, 778,965.30 and 294,583.80 is: 441,875.70
Step by Step Solution
- Step 1: Write the proportion equation
519,310.20 : 778,965.30 = 294,583.80 : x - Step 2: Convert to fraction form
519,310.20/778,965.30 = 294,583.80/x - Step 3: Cross multiply
519,310.20x = 778,965.30 × 294,583.80 - Step 4: Simplify right side
519,310.20x = 229,470,558,142.14 - Step 5: Solve for x
x = 229,470,558,142.14/519,310.20 - Step 6: Final answer
x = 441,875.70
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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.