Finding the Fourth Proportional to 760,343.18, 1,139,255.36 and 534,600.68
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Solution
The fourth proportional to 760,343.18, 1,139,255.36 and 534,600.68 is: 801,015.52
Step by Step Solution
- Step 1: Write the proportion equation
760,343.18 : 1,139,255.36 = 534,600.68 : x - Step 2: Convert to fraction form
760,343.18/1,139,255.36 = 534,600.68/x - Step 3: Cross multiply
760,343.18x = 1,139,255.36 × 534,600.68 - Step 4: Simplify right side
760,343.18x = 609,046,690,149.65 - Step 5: Solve for x
x = 609,046,690,149.65/760,343.18 - Step 6: Final answer
x = 801,015.52
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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.