Finding the Fourth Proportional to 862,909.74, 1,294,363.98 and 231,823.26
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Solution
The fourth proportional to 862,909.74, 1,294,363.98 and 231,823.26 is: 347,734.72
Step by Step Solution
- Step 1: Write the proportion equation
862,909.74 : 1,294,363.98 = 231,823.26 : x - Step 2: Convert to fraction form
862,909.74/1,294,363.98 = 231,823.26/x - Step 3: Cross multiply
862,909.74x = 1,294,363.98 × 231,823.26 - Step 4: Simplify right side
862,909.74x = 300,063,677,470.18 - Step 5: Solve for x
x = 300,063,677,470.18/862,909.74 - Step 6: Final answer
x = 347,734.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.