Finding the Fourth Proportional to 672,558.72, 1,008,985.68 and 199,281.12
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Solution
The fourth proportional to 672,558.72, 1,008,985.68 and 199,281.12 is: 298,965.41
Step by Step Solution
- Step 1: Write the proportion equation
672,558.72 : 1,008,985.68 = 199,281.12 : x - Step 2: Convert to fraction form
672,558.72/1,008,985.68 = 199,281.12/x - Step 3: Cross multiply
672,558.72x = 1,008,985.68 × 199,281.12 - Step 4: Simplify right side
672,558.72x = 201,071,796,374.36 - Step 5: Solve for x
x = 201,071,796,374.36/672,558.72 - Step 6: Final answer
x = 298,965.41
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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.