Finding the Fourth Proportional to 566,891.40, 782,310.09 and 312,242.59
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Solution
The fourth proportional to 566,891.40, 782,310.09 and 312,242.59 is: 430,894.75
Step by Step Solution
- Step 1: Write the proportion equation
566,891.40 : 782,310.09 = 312,242.59 : x - Step 2: Convert to fraction form
566,891.40/782,310.09 = 312,242.59/x - Step 3: Cross multiply
566,891.40x = 782,310.09 × 312,242.59 - Step 4: Simplify right side
566,891.40x = 244,270,530,833.53 - Step 5: Solve for x
x = 244,270,530,833.53/566,891.40 - Step 6: Final answer
x = 430,894.75
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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.