Finding the Fourth Proportional to 540,714.99, 746,148.18 and 298,953.09
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Solution
The fourth proportional to 540,714.99, 746,148.18 and 298,953.09 is: 412,533.97
Step by Step Solution
- Step 1: Write the proportion equation
540,714.99 : 746,148.18 = 298,953.09 : x - Step 2: Convert to fraction form
540,714.99/746,148.18 = 298,953.09/x - Step 3: Cross multiply
540,714.99x = 746,148.18 × 298,953.09 - Step 4: Simplify right side
540,714.99x = 223,063,304,008.88 - Step 5: Solve for x
x = 223,063,304,008.88/540,714.99 - Step 6: Final answer
x = 412,533.97
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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.