Finding the Fourth Proportional to 764,457.96, 1,146,693.87 and 231,978.99
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Solution
The fourth proportional to 764,457.96, 1,146,693.87 and 231,978.99 is: 347,970.59
Step by Step Solution
- Step 1: Write the proportion equation
764,457.96 : 1,146,693.87 = 231,978.99 : x - Step 2: Convert to fraction form
764,457.96/1,146,693.87 = 231,978.99/x - Step 3: Cross multiply
764,457.96x = 1,146,693.87 × 231,978.99 - Step 4: Simplify right side
764,457.96x = 266,008,885,801.79 - Step 5: Solve for x
x = 266,008,885,801.79/764,457.96 - Step 6: Final answer
x = 347,970.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.