Finding the Fourth Proportional to 878,950.05, 1,212,976.65 and 496,968.63
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Solution
The fourth proportional to 878,950.05, 1,212,976.65 and 496,968.63 is: 685,831.17
Step by Step Solution
- Step 1: Write the proportion equation
878,950.05 : 1,212,976.65 = 496,968.63 : x - Step 2: Convert to fraction form
878,950.05/1,212,976.65 = 496,968.63/x - Step 3: Cross multiply
878,950.05x = 1,212,976.65 × 496,968.63 - Step 4: Simplify right side
878,950.05x = 602,811,343,972.49 - Step 5: Solve for x
x = 602,811,343,972.49/878,950.05 - Step 6: Final answer
x = 685,831.17
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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.