Finding the Fourth Proportional to 601,391.13, 829,605.09 and 371,875.05
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Solution
The fourth proportional to 601,391.13, 829,605.09 and 371,875.05 is: 512,992.99
Step by Step Solution
- Step 1: Write the proportion equation
601,391.13 : 829,605.09 = 371,875.05 : x - Step 2: Convert to fraction form
601,391.13/829,605.09 = 371,875.05/x - Step 3: Cross multiply
601,391.13x = 829,605.09 × 371,875.05 - Step 4: Simplify right side
601,391.13x = 308,509,434,324.00 - Step 5: Solve for x
x = 308,509,434,324.00/601,391.13 - Step 6: Final answer
x = 512,992.99
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1.5x scale
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.