Finding the Fourth Proportional to 658,102.84, 987,029.52 and 320,804.56
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Solution
The fourth proportional to 658,102.84, 987,029.52 and 320,804.56 is: 481,146.03
Step by Step Solution
- Step 1: Write the proportion equation
658,102.84 : 987,029.52 = 320,804.56 : x - Step 2: Convert to fraction form
658,102.84/987,029.52 = 320,804.56/x - Step 3: Cross multiply
658,102.84x = 987,029.52 × 320,804.56 - Step 4: Simplify right side
658,102.84x = 316,643,570,870.61 - Step 5: Solve for x
x = 316,643,570,870.61/658,102.84 - Step 6: Final answer
x = 481,146.03
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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.