Finding the Fourth Proportional to 915,750.38, 1,373,628 and 284,664.80
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Solution
The fourth proportional to 915,750.38, 1,373,628 and 284,664.80 is: 426,997.95
Step by Step Solution
- Step 1: Write the proportion equation
915,750.38 : 1,373,628 = 284,664.80 : x - Step 2: Convert to fraction form
915,750.38/1,373,628 = 284,664.80/x - Step 3: Cross multiply
915,750.38x = 1,373,628 × 284,664.80 - Step 4: Simplify right side
915,750.38x = 391,023,533,026.26 - Step 5: Solve for x
x = 391,023,533,026.26/915,750.38 - Step 6: Final answer
x = 426,997.95
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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.