Finding the Fourth Proportional to 993,450.14, 1,490,188.88 and 283,477.95
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Solution
The fourth proportional to 993,450.14, 1,490,188.88 and 283,477.95 is: 425,220.82
Step by Step Solution
- Step 1: Write the proportion equation
993,450.14 : 1,490,188.88 = 283,477.95 : x - Step 2: Convert to fraction form
993,450.14/1,490,188.88 = 283,477.95/x - Step 3: Cross multiply
993,450.14x = 1,490,188.88 × 283,477.95 - Step 4: Simplify right side
993,450.14x = 422,435,687,397.81 - Step 5: Solve for x
x = 422,435,687,397.81/993,450.14 - Step 6: Final answer
x = 425,220.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.