Finding the Fourth Proportional to 577,857.98, 797,423.84 and 319,730.82
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Solution
The fourth proportional to 577,857.98, 797,423.84 and 319,730.82 is: 441,217.37
Step by Step Solution
- Step 1: Write the proportion equation
577,857.98 : 797,423.84 = 319,730.82 : x - Step 2: Convert to fraction form
577,857.98/797,423.84 = 319,730.82/x - Step 3: Cross multiply
577,857.98x = 797,423.84 × 319,730.82 - Step 4: Simplify right side
577,857.98x = 254,960,978,250.75 - Step 5: Solve for x
x = 254,960,978,250.75/577,857.98 - Step 6: Final answer
x = 441,217.37
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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.