Finding the Fourth Proportional to 929,154.08, 1,393,396.68 and 321,777.92
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Solution
The fourth proportional to 929,154.08, 1,393,396.68 and 321,777.92 is: 482,551.06
Step by Step Solution
- Step 1: Write the proportion equation
929,154.08 : 1,393,396.68 = 321,777.92 : x - Step 2: Convert to fraction form
929,154.08/1,393,396.68 = 321,777.92/x - Step 3: Cross multiply
929,154.08x = 1,393,396.68 × 321,777.92 - Step 4: Simplify right side
929,154.08x = 448,364,285,425.31 - Step 5: Solve for x
x = 448,364,285,425.31/929,154.08 - Step 6: Final answer
x = 482,551.06
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1.5x scale
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.