Finding the Fourth Proportional to 801,627.98, 1,106,247.68 and 434,105.75
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Solution
The fourth proportional to 801,627.98, 1,106,247.68 and 434,105.75 is: 599,066.51
Step by Step Solution
- Step 1: Write the proportion equation
801,627.98 : 1,106,247.68 = 434,105.75 : x - Step 2: Convert to fraction form
801,627.98/1,106,247.68 = 434,105.75/x - Step 3: Cross multiply
801,627.98x = 1,106,247.68 × 434,105.75 - Step 4: Simplify right side
801,627.98x = 480,228,474,812.50 - Step 5: Solve for x
x = 480,228,474,812.50/801,627.98 - Step 6: Final answer
x = 599,066.51
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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.