Finding the Fourth Proportional to 894,761.40, 1,234,770.68 and 492,353.40
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Solution
The fourth proportional to 894,761.40, 1,234,770.68 and 492,353.40 is: 679,447.66
Step by Step Solution
- Step 1: Write the proportion equation
894,761.40 : 1,234,770.68 = 492,353.40 : x - Step 2: Convert to fraction form
894,761.40/1,234,770.68 = 492,353.40/x - Step 3: Cross multiply
894,761.40x = 1,234,770.68 × 492,353.40 - Step 4: Simplify right side
894,761.40x = 607,943,542,518.31 - Step 5: Solve for x
x = 607,943,542,518.31/894,761.40 - Step 6: Final answer
x = 679,447.66
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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.