Finding the Fourth Proportional to 829,970.24, 1,244,999.49 and 261,395.80
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Solution
The fourth proportional to 829,970.24, 1,244,999.49 and 261,395.80 is: 392,107.60
Step by Step Solution
- Step 1: Write the proportion equation
829,970.24 : 1,244,999.49 = 261,395.80 : x - Step 2: Convert to fraction form
829,970.24/1,244,999.49 = 261,395.80/x - Step 3: Cross multiply
829,970.24x = 1,244,999.49 × 261,395.80 - Step 4: Simplify right side
829,970.24x = 325,437,637,688.14 - Step 5: Solve for x
x = 325,437,637,688.14/829,970.24 - Step 6: Final answer
x = 392,107.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.