Finding the Fourth Proportional to 650.53, 974.97 and 519.99
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Solution
The fourth proportional to 650.53, 974.97 and 519.99 is: 779.32
Step by Step Solution
- Step 1: Write the proportion equation
650.53 : 974.97 = 519.99 : x - Step 2: Convert to fraction form
650.53/974.97 = 519.99/x - Step 3: Cross multiply
650.53x = 974.97 × 519.99 - Step 4: Simplify right side
650.53x = 506,970.99 - Step 5: Solve for x
x = 506,970.99/650.53 - Step 6: Final answer
x = 779.32
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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.