Finding the Fourth Proportional to 836,896.62, 1,154,970.99 and 469,408.26
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Solution
The fourth proportional to 836,896.62, 1,154,970.99 and 469,408.26 is: 647,813.49
Step by Step Solution
- Step 1: Write the proportion equation
836,896.62 : 1,154,970.99 = 469,408.26 : x - Step 2: Convert to fraction form
836,896.62/1,154,970.99 = 469,408.26/x - Step 3: Cross multiply
836,896.62x = 1,154,970.99 × 469,408.26 - Step 4: Simplify right side
836,896.62x = 542,152,922,766.38 - Step 5: Solve for x
x = 542,152,922,766.38/836,896.62 - Step 6: Final answer
x = 647,813.49
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1.5x scale
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.