Finding the Fourth Proportional to 450,313.98, 676,243.71 and 399,827.09
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Solution
The fourth proportional to 450,313.98, 676,243.71 and 399,827.09 is: 600,426.73
Step by Step Solution
- Step 1: Write the proportion equation
450,313.98 : 676,243.71 = 399,827.09 : x - Step 2: Convert to fraction form
450,313.98/676,243.71 = 399,827.09/x - Step 3: Cross multiply
450,313.98x = 676,243.71 × 399,827.09 - Step 4: Simplify right side
450,313.98x = 270,380,551,318.89 - Step 5: Solve for x
x = 270,380,551,318.89/450,313.98 - Step 6: Final answer
x = 600,426.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.