Finding the Fourth Proportional to 522,467.55, 721,012.97 and 304,670.18
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Solution
The fourth proportional to 522,467.55, 721,012.97 and 304,670.18 is: 420,449.37
Step by Step Solution
- Step 1: Write the proportion equation
522,467.55 : 721,012.97 = 304,670.18 : x - Step 2: Convert to fraction form
522,467.55/721,012.97 = 304,670.18/x - Step 3: Cross multiply
522,467.55x = 721,012.97 × 304,670.18 - Step 4: Simplify right side
522,467.55x = 219,671,151,352.24 - Step 5: Solve for x
x = 219,671,151,352.24/522,467.55 - Step 6: Final answer
x = 420,449.37
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1.5x scale
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.