Finding the Fourth Proportional to 649,721.99, 975,467.18 and 365,613.26
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Solution
The fourth proportional to 649,721.99, 975,467.18 and 365,613.26 is: 548,917.45
Step by Step Solution
- Step 1: Write the proportion equation
649,721.99 : 975,467.18 = 365,613.26 : x - Step 2: Convert to fraction form
649,721.99/975,467.18 = 365,613.26/x - Step 3: Cross multiply
649,721.99x = 975,467.18 × 365,613.26 - Step 4: Simplify right side
649,721.99x = 356,643,739,412.67 - Step 5: Solve for x
x = 356,643,739,412.67/649,721.99 - Step 6: Final answer
x = 548,917.45
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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.