Finding the Fourth Proportional to 801,900.80, 1,106,624.04 and 434,378.68
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Solution
The fourth proportional to 801,900.80, 1,106,624.04 and 434,378.68 is: 599,443.09
Step by Step Solution
- Step 1: Write the proportion equation
801,900.80 : 1,106,624.04 = 434,378.68 : x - Step 2: Convert to fraction form
801,900.80/1,106,624.04 = 434,378.68/x - Step 3: Cross multiply
801,900.80x = 1,106,624.04 × 434,378.68 - Step 4: Simplify right side
801,900.80x = 480,693,889,751.47 - Step 5: Solve for x
x = 480,693,889,751.47/801,900.80 - Step 6: Final answer
x = 599,443.09
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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.