Finding the Fourth Proportional to 869,411.06, 1,304,121.09 and 395,765.18
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Solution
The fourth proportional to 869,411.06, 1,304,121.09 and 395,765.18 is: 593,649.82
Step by Step Solution
- Step 1: Write the proportion equation
869,411.06 : 1,304,121.09 = 395,765.18 : x - Step 2: Convert to fraction form
869,411.06/1,304,121.09 = 395,765.18/x - Step 3: Cross multiply
869,411.06x = 1,304,121.09 × 395,765.18 - Step 4: Simplify right side
869,411.06x = 516,125,717,925.65 - Step 5: Solve for x
x = 516,125,717,925.65/869,411.06 - Step 6: Final answer
x = 593,649.82
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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.