Finding the Fourth Proportional to 916,808.56, 1,375,494.36 and 437,647.80
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Solution
The fourth proportional to 916,808.56, 1,375,494.36 and 437,647.80 is: 656,606.09
Step by Step Solution
- Step 1: Write the proportion equation
916,808.56 : 1,375,494.36 = 437,647.80 : x - Step 2: Convert to fraction form
916,808.56/1,375,494.36 = 437,647.80/x - Step 3: Cross multiply
916,808.56x = 1,375,494.36 × 437,647.80 - Step 4: Simplify right side
916,808.56x = 601,982,080,566.41 - Step 5: Solve for x
x = 601,982,080,566.41/916,808.56 - Step 6: Final answer
x = 656,606.09
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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.