Finding the Fourth Proportional to 605,424.98, 835,490.73 and 347,313.19
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Solution
The fourth proportional to 605,424.98, 835,490.73 and 347,313.19 is: 479,294.64
Step by Step Solution
- Step 1: Write the proportion equation
605,424.98 : 835,490.73 = 347,313.19 : x - Step 2: Convert to fraction form
605,424.98/835,490.73 = 347,313.19/x - Step 3: Cross multiply
605,424.98x = 835,490.73 × 347,313.19 - Step 4: Simplify right side
605,424.98x = 290,176,946,474.28 - Step 5: Solve for x
x = 290,176,946,474.28/605,424.98 - Step 6: Final answer
x = 479,294.64
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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.