Finding the Fourth Proportional to 993,508.50, 1,490,276.72 and 283,536.62
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Solution
The fourth proportional to 993,508.50, 1,490,276.72 and 283,536.62 is: 425,308.92
Step by Step Solution
- Step 1: Write the proportion equation
993,508.50 : 1,490,276.72 = 283,536.62 : x - Step 2: Convert to fraction form
993,508.50/1,490,276.72 = 283,536.62/x - Step 3: Cross multiply
993,508.50x = 1,490,276.72 × 283,536.62 - Step 4: Simplify right side
993,508.50x = 422,548,024,053.49 - Step 5: Solve for x
x = 422,548,024,053.49/993,508.50 - Step 6: Final answer
x = 425,308.92
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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.