Finding the Fourth Proportional to 801,428.99, 1,201,096.76 and 611,192.79
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Solution
The fourth proportional to 801,428.99, 1,201,096.76 and 611,192.79 is: 915,990.92
Step by Step Solution
- Step 1: Write the proportion equation
801,428.99 : 1,201,096.76 = 611,192.79 : x - Step 2: Convert to fraction form
801,428.99/1,201,096.76 = 611,192.79/x - Step 3: Cross multiply
801,428.99x = 1,201,096.76 × 611,192.79 - Step 4: Simplify right side
801,428.99x = 734,101,676,748.40 - Step 5: Solve for x
x = 734,101,676,748.40/801,428.99 - Step 6: Final answer
x = 915,990.92
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1.5x scale
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.