Finding the Fourth Proportional to 690,147.75, 952,424.91 and 375,840.26
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Solution
The fourth proportional to 690,147.75, 952,424.91 and 375,840.26 is: 518,671.00
Step by Step Solution
- Step 1: Write the proportion equation
690,147.75 : 952,424.91 = 375,840.26 : x - Step 2: Convert to fraction form
690,147.75/952,424.91 = 375,840.26/x - Step 3: Cross multiply
690,147.75x = 952,424.91 × 375,840.26 - Step 4: Simplify right side
690,147.75x = 357,959,621,042.75 - Step 5: Solve for x
x = 357,959,621,042.75/690,147.75 - Step 6: Final answer
x = 518,671.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.