Finding the Fourth Proportional to 392,927.15, 589,394.84 and 314,539.67
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Solution
The fourth proportional to 392,927.15, 589,394.84 and 314,539.67 is: 471,812.80
Step by Step Solution
- Step 1: Write the proportion equation
392,927.15 : 589,394.84 = 314,539.67 : x - Step 2: Convert to fraction form
392,927.15/589,394.84 = 314,539.67/x - Step 3: Cross multiply
392,927.15x = 589,394.84 × 314,539.67 - Step 4: Simplify right side
392,927.15x = 185,388,058,473.30 - Step 5: Solve for x
x = 185,388,058,473.30/392,927.15 - Step 6: Final answer
x = 471,812.80
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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.