Finding the Fourth Proportional to 889,639.64, 1,334,866.10 and 484,224.51
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Solution
The fourth proportional to 889,639.64, 1,334,866.10 and 484,224.51 is: 726,558.09
Step by Step Solution
- Step 1: Write the proportion equation
889,639.64 : 1,334,866.10 = 484,224.51 : x - Step 2: Convert to fraction form
889,639.64/1,334,866.10 = 484,224.51/x - Step 3: Cross multiply
889,639.64x = 1,334,866.10 × 484,224.51 - Step 4: Simplify right side
889,639.64x = 646,374,880,766.99 - Step 5: Solve for x
x = 646,374,880,766.99/889,639.64 - Step 6: Final answer
x = 726,558.09
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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.