Finding the Fourth Proportional to 869,432.56, 1,304,153.36 and 395,786.68
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Solution
The fourth proportional to 869,432.56, 1,304,153.36 and 395,786.68 is: 593,682.08
Step by Step Solution
- Step 1: Write the proportion equation
869,432.56 : 1,304,153.36 = 395,786.68 : x - Step 2: Convert to fraction form
869,432.56/1,304,153.36 = 395,786.68/x - Step 3: Cross multiply
869,432.56x = 1,304,153.36 × 395,786.68 - Step 4: Simplify right side
869,432.56x = 516,166,528,565.25 - Step 5: Solve for x
x = 516,166,528,565.25/869,432.56 - Step 6: Final answer
x = 593,682.08
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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.