Finding the Fourth Proportional to 564,042.27, 845,642.61 and 339,350.05
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Solution
The fourth proportional to 564,042.27, 845,642.61 and 339,350.05 is: 508,771.91
Step by Step Solution
- Step 1: Write the proportion equation
564,042.27 : 845,642.61 = 339,350.05 : x - Step 2: Convert to fraction form
564,042.27/845,642.61 = 339,350.05/x - Step 3: Cross multiply
564,042.27x = 845,642.61 × 339,350.05 - Step 4: Simplify right side
564,042.27x = 286,968,861,985.63 - Step 5: Solve for x
x = 286,968,861,985.63/564,042.27 - Step 6: Final answer
x = 508,771.91
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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.