Finding the Fourth Proportional to 614,138.97, 847,513.49 and 356,065.95
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Solution
The fourth proportional to 614,138.97, 847,513.49 and 356,065.95 is: 491,372.00
Step by Step Solution
- Step 1: Write the proportion equation
614,138.97 : 847,513.49 = 356,065.95 : x - Step 2: Convert to fraction form
614,138.97/847,513.49 = 356,065.95/x - Step 3: Cross multiply
614,138.97x = 847,513.49 × 356,065.95 - Step 4: Simplify right side
614,138.97x = 301,770,695,954.67 - Step 5: Solve for x
x = 301,770,695,954.67/614,138.97 - Step 6: Final answer
x = 491,372.00
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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.