Finding the Fourth Proportional to 577,432.23, 796,861.61 and 319,326.63
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Solution
The fourth proportional to 577,432.23, 796,861.61 and 319,326.63 is: 440,673.59
Step by Step Solution
- Step 1: Write the proportion equation
577,432.23 : 796,861.61 = 319,326.63 : x - Step 2: Convert to fraction form
577,432.23/796,861.61 = 319,326.63/x - Step 3: Cross multiply
577,432.23x = 796,861.61 × 319,326.63 - Step 4: Simplify right side
577,432.23x = 254,459,132,497.67 - Step 5: Solve for x
x = 254,459,132,497.67/577,432.23 - Step 6: Final answer
x = 440,673.59
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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.