Finding the Fourth Proportional to 743,710.41, 1,115,122.14 and 294,495.75
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Solution
The fourth proportional to 743,710.41, 1,115,122.14 and 294,495.75 is: 441,568.02
Step by Step Solution
- Step 1: Write the proportion equation
743,710.41 : 1,115,122.14 = 294,495.75 : x - Step 2: Convert to fraction form
743,710.41/1,115,122.14 = 294,495.75/x - Step 3: Cross multiply
743,710.41x = 1,115,122.14 × 294,495.75 - Step 4: Simplify right side
743,710.41x = 328,398,730,960.91 - Step 5: Solve for x
x = 328,398,730,960.91/743,710.41 - Step 6: Final answer
x = 441,568.02
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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.