Finding the Fourth Proportional to 762,119.08, 1,051,688.73 and 439,932.99
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Solution
The fourth proportional to 762,119.08, 1,051,688.73 and 439,932.99 is: 607,086.98
Step by Step Solution
- Step 1: Write the proportion equation
762,119.08 : 1,051,688.73 = 439,932.99 : x - Step 2: Convert to fraction form
762,119.08/1,051,688.73 = 439,932.99/x - Step 3: Cross multiply
762,119.08x = 1,051,688.73 × 439,932.99 - Step 4: Simplify right side
762,119.08x = 462,672,567,538.20 - Step 5: Solve for x
x = 462,672,567,538.20/762,119.08 - Step 6: Final answer
x = 607,086.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.