Finding the Fourth Proportional to 740,456.67, 1,110,464.94 and 313,986.21
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Solution
The fourth proportional to 740,456.67, 1,110,464.94 and 313,986.21 is: 470,885.99
Step by Step Solution
- Step 1: Write the proportion equation
740,456.67 : 1,110,464.94 = 313,986.21 : x - Step 2: Convert to fraction form
740,456.67/1,110,464.94 = 313,986.21/x - Step 3: Cross multiply
740,456.67x = 1,110,464.94 × 313,986.21 - Step 4: Simplify right side
740,456.67x = 348,670,674,861.68 - Step 5: Solve for x
x = 348,670,674,861.68/740,456.67 - Step 6: Final answer
x = 470,885.99
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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.