Finding the Fourth Proportional to 525,775.67, 725,569.51 and 284,057.49
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Solution
The fourth proportional to 525,775.67, 725,569.51 and 284,057.49 is: 391,998.84
Step by Step Solution
- Step 1: Write the proportion equation
525,775.67 : 725,569.51 = 284,057.49 : x - Step 2: Convert to fraction form
525,775.67/725,569.51 = 284,057.49/x - Step 3: Cross multiply
525,775.67x = 725,569.51 × 284,057.49 - Step 4: Simplify right side
525,775.67x = 206,103,453,831.13 - Step 5: Solve for x
x = 206,103,453,831.13/525,775.67 - Step 6: Final answer
x = 391,998.84
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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.