Finding the Fourth Proportional to 831,260.72, 1,246,943.74 and 351,399.08
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Solution
The fourth proportional to 831,260.72, 1,246,943.74 and 351,399.08 is: 527,120.88
Step by Step Solution
- Step 1: Write the proportion equation
831,260.72 : 1,246,943.74 = 351,399.08 : x - Step 2: Convert to fraction form
831,260.72/1,246,943.74 = 351,399.08/x - Step 3: Cross multiply
831,260.72x = 1,246,943.74 × 351,399.08 - Step 4: Simplify right side
831,260.72x = 438,174,883,047.76 - Step 5: Solve for x
x = 438,174,883,047.76/831,260.72 - Step 6: Final answer
x = 527,120.88
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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.