Finding the Fourth Proportional to 480,739.99, 663,625.46 and 299,541.44
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Solution
The fourth proportional to 480,739.99, 663,625.46 and 299,541.44 is: 413,494.47
Step by Step Solution
- Step 1: Write the proportion equation
480,739.99 : 663,625.46 = 299,541.44 : x - Step 2: Convert to fraction form
480,739.99/663,625.46 = 299,541.44/x - Step 3: Cross multiply
480,739.99x = 663,625.46 × 299,541.44 - Step 4: Simplify right side
480,739.99x = 198,783,325,909.06 - Step 5: Solve for x
x = 198,783,325,909.06/480,739.99 - Step 6: Final answer
x = 413,494.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.