Finding the Fourth Proportional to 577,137.74, 796,425.18 and 319,001.27
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Solution
The fourth proportional to 577,137.74, 796,425.18 and 319,001.27 is: 440,207.99
Step by Step Solution
- Step 1: Write the proportion equation
577,137.74 : 796,425.18 = 319,001.27 : x - Step 2: Convert to fraction form
577,137.74/796,425.18 = 319,001.27/x - Step 3: Cross multiply
577,137.74x = 796,425.18 × 319,001.27 - Step 4: Simplify right side
577,137.74x = 254,060,642,686.42 - Step 5: Solve for x
x = 254,060,642,686.42/577,137.74 - Step 6: Final answer
x = 440,207.99
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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.