Finding the Fourth Proportional to 993,506.99, 1,490,274.46 and 283,535.11
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Solution
The fourth proportional to 993,506.99, 1,490,274.46 and 283,535.11 is: 425,306.65
Step by Step Solution
- Step 1: Write the proportion equation
993,506.99 : 1,490,274.46 = 283,535.11 : x - Step 2: Convert to fraction form
993,506.99/1,490,274.46 = 283,535.11/x - Step 3: Cross multiply
993,506.99x = 1,490,274.46 × 283,535.11 - Step 4: Simplify right side
993,506.99x = 422,545,132,946.29 - Step 5: Solve for x
x = 422,545,132,946.29/993,506.99 - Step 6: Final answer
x = 425,306.65
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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.