Finding the Fourth Proportional to 869,421.06, 1,304,136.09 and 395,775.18
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Solution
The fourth proportional to 869,421.06, 1,304,136.09 and 395,775.18 is: 593,664.82
Step by Step Solution
- Step 1: Write the proportion equation
869,421.06 : 1,304,136.09 = 395,775.18 : x - Step 2: Convert to fraction form
869,421.06/1,304,136.09 = 395,775.18/x - Step 3: Cross multiply
869,421.06x = 1,304,136.09 × 395,775.18 - Step 4: Simplify right side
869,421.06x = 516,144,695,764.25 - Step 5: Solve for x
x = 516,144,695,764.25/869,421.06 - Step 6: Final answer
x = 593,664.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.