Finding the Fourth Proportional to 484,964.20, 727,446.30 and 442,973.80
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Solution
The fourth proportional to 484,964.20, 727,446.30 and 442,973.80 is: 664,460.70
Step by Step Solution
- Step 1: Write the proportion equation
484,964.20 : 727,446.30 = 442,973.80 : x - Step 2: Convert to fraction form
484,964.20/727,446.30 = 442,973.80/x - Step 3: Cross multiply
484,964.20x = 727,446.30 × 442,973.80 - Step 4: Simplify right side
484,964.20x = 322,239,651,806.94 - Step 5: Solve for x
x = 322,239,651,806.94/484,964.20 - Step 6: Final answer
x = 664,460.70
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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.