Finding the Fourth Proportional to 831,359.23, 1,147,276.08 and 449,386.02
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Solution
The fourth proportional to 831,359.23, 1,147,276.08 and 449,386.02 is: 620,152.89
Step by Step Solution
- Step 1: Write the proportion equation
831,359.23 : 1,147,276.08 = 449,386.02 : x - Step 2: Convert to fraction form
831,359.23/1,147,276.08 = 449,386.02/x - Step 3: Cross multiply
831,359.23x = 1,147,276.08 × 449,386.02 - Step 4: Simplify right side
831,359.23x = 515,569,831,432.40 - Step 5: Solve for x
x = 515,569,831,432.40/831,359.23 - Step 6: Final answer
x = 620,152.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.