Finding the Fourth Proportional to 948,769.38, 1,422,861.12 and 499,246.02
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Solution
The fourth proportional to 948,769.38, 1,422,861.12 and 499,246.02 is: 748,714.88
Step by Step Solution
- Step 1: Write the proportion equation
948,769.38 : 1,422,861.12 = 499,246.02 : x - Step 2: Convert to fraction form
948,769.38/1,422,861.12 = 499,246.02/x - Step 3: Cross multiply
948,769.38x = 1,422,861.12 × 499,246.02 - Step 4: Simplify right side
948,769.38x = 710,357,751,172.74 - Step 5: Solve for x
x = 710,357,751,172.74/948,769.38 - Step 6: Final answer
x = 748,714.88
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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.