Finding the Fourth Proportional to 746,460.80, 1,119,354.24 and 213,859.92
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Solution
The fourth proportional to 746,460.80, 1,119,354.24 and 213,859.92 is: 320,693.34
Step by Step Solution
- Step 1: Write the proportion equation
746,460.80 : 1,119,354.24 = 213,859.92 : x - Step 2: Convert to fraction form
746,460.80/1,119,354.24 = 213,859.92/x - Step 3: Cross multiply
746,460.80x = 1,119,354.24 × 213,859.92 - Step 4: Simplify right side
746,460.80x = 239,385,008,218.06 - Step 5: Solve for x
x = 239,385,008,218.06/746,460.80 - Step 6: Final answer
x = 320,693.34
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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.