Finding the Fourth Proportional to 577,388.67, 796,726.83 and 319,230.75
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Solution
The fourth proportional to 577,388.67, 796,726.83 and 319,230.75 is: 440,499.99
Step by Step Solution
- Step 1: Write the proportion equation
577,388.67 : 796,726.83 = 319,230.75 : x - Step 2: Convert to fraction form
577,388.67/796,726.83 = 319,230.75/x - Step 3: Cross multiply
577,388.67x = 796,726.83 × 319,230.75 - Step 4: Simplify right side
577,388.67x = 254,339,705,990.27 - Step 5: Solve for x
x = 254,339,705,990.27/577,388.67 - Step 6: Final answer
x = 440,499.99
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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.