Finding the Fourth Proportional to 590,033.80, 813,462.68 and 385,733.48
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Solution
The fourth proportional to 590,033.80, 813,462.68 and 385,733.48 is: 531,799.69
Step by Step Solution
- Step 1: Write the proportion equation
590,033.80 : 813,462.68 = 385,733.48 : x - Step 2: Convert to fraction form
590,033.80/813,462.68 = 385,733.48/x - Step 3: Cross multiply
590,033.80x = 813,462.68 × 385,733.48 - Step 4: Simplify right side
590,033.80x = 313,779,790,406.53 - Step 5: Solve for x
x = 313,779,790,406.53/590,033.80 - Step 6: Final answer
x = 531,799.69
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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.