Finding the Fourth Proportional to 578,737.93, 798,635.95 and 324,076.09
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Solution
The fourth proportional to 578,737.93, 798,635.95 and 324,076.09 is: 447,212.46
Step by Step Solution
- Step 1: Write the proportion equation
578,737.93 : 798,635.95 = 324,076.09 : x - Step 2: Convert to fraction form
578,737.93/798,635.95 = 324,076.09/x - Step 3: Cross multiply
578,737.93x = 798,635.95 × 324,076.09 - Step 4: Simplify right side
578,737.93x = 258,818,816,009.44 - Step 5: Solve for x
x = 258,818,816,009.44/578,737.93 - Step 6: Final answer
x = 447,212.46
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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.