Finding the Fourth Proportional to 754,108.16, 1,131,162.24 and 354,455.68
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Solution
The fourth proportional to 754,108.16, 1,131,162.24 and 354,455.68 is: 531,683.52
Step by Step Solution
- Step 1: Write the proportion equation
754,108.16 : 1,131,162.24 = 354,455.68 : x - Step 2: Convert to fraction form
754,108.16/1,131,162.24 = 354,455.68/x - Step 3: Cross multiply
754,108.16x = 1,131,162.24 × 354,455.68 - Step 4: Simplify right side
754,108.16x = 400,946,880,969.52 - Step 5: Solve for x
x = 400,946,880,969.52/754,108.16 - Step 6: Final answer
x = 531,683.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.