Finding the Fourth Proportional to 527,259.64, 727,614.67 and 285,536.68
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Solution
The fourth proportional to 527,259.64, 727,614.67 and 285,536.68 is: 394,038.65
Step by Step Solution
- Step 1: Write the proportion equation
527,259.64 : 727,614.67 = 285,536.68 : x - Step 2: Convert to fraction form
527,259.64/727,614.67 = 285,536.68/x - Step 3: Cross multiply
527,259.64x = 727,614.67 × 285,536.68 - Step 4: Simplify right side
527,259.64x = 207,760,677,191.10 - Step 5: Solve for x
x = 207,760,677,191.10/527,259.64 - Step 6: Final answer
x = 394,038.65
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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.