Finding the Fourth Proportional to 596,340.99, 823,289.94 and 392,982.80
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Solution
The fourth proportional to 596,340.99, 823,289.94 and 392,982.80 is: 542,539.90
Step by Step Solution
- Step 1: Write the proportion equation
596,340.99 : 823,289.94 = 392,982.80 : x - Step 2: Convert to fraction form
596,340.99/823,289.94 = 392,982.80/x - Step 3: Cross multiply
596,340.99x = 823,289.94 × 392,982.80 - Step 4: Simplify right side
596,340.99x = 323,538,781,716.58 - Step 5: Solve for x
x = 323,538,781,716.58/596,340.99 - Step 6: Final answer
x = 542,539.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.