Finding the Fourth Proportional to 993,493.74, 1,490,254.59 and 283,521.84
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Solution
The fourth proportional to 993,493.74, 1,490,254.59 and 283,521.84 is: 425,286.75
Step by Step Solution
- Step 1: Write the proportion equation
993,493.74 : 1,490,254.59 = 283,521.84 : x - Step 2: Convert to fraction form
993,493.74/1,490,254.59 = 283,521.84/x - Step 3: Cross multiply
993,493.74x = 1,490,254.59 × 283,521.84 - Step 4: Simplify right side
993,493.74x = 422,519,723,425.25 - Step 5: Solve for x
x = 422,519,723,425.25/993,493.74 - Step 6: Final answer
x = 425,286.75
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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.