Finding the Fourth Proportional to 801,902.80, 1,106,626.80 and 434,380.68
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Solution
The fourth proportional to 801,902.80, 1,106,626.80 and 434,380.68 is: 599,445.85
Step by Step Solution
- Step 1: Write the proportion equation
801,902.80 : 1,106,626.80 = 434,380.68 : x - Step 2: Convert to fraction form
801,902.80/1,106,626.80 = 434,380.68/x - Step 3: Cross multiply
801,902.80x = 1,106,626.80 × 434,380.68 - Step 4: Simplify right side
801,902.80x = 480,697,301,890.22 - Step 5: Solve for x
x = 480,697,301,890.22/801,902.80 - Step 6: Final answer
x = 599,445.85
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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.