Finding the Fourth Proportional to 713,753.05, 984,888.41 and 407,849.26
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Solution
The fourth proportional to 713,753.05, 984,888.41 and 407,849.26 is: 562,780.09
Step by Step Solution
- Step 1: Write the proportion equation
713,753.05 : 984,888.41 = 407,849.26 : x - Step 2: Convert to fraction form
713,753.05/984,888.41 = 407,849.26/x - Step 3: Cross multiply
713,753.05x = 984,888.41 × 407,849.26 - Step 4: Simplify right side
713,753.05x = 401,686,009,201.08 - Step 5: Solve for x
x = 401,686,009,201.08/713,753.05 - Step 6: Final answer
x = 562,780.09
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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.