Finding the Fourth Proportional to 801,913.16, 1,106,630.80 and 434,383.38
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Solution
The fourth proportional to 801,913.16, 1,106,630.80 and 434,383.38 is: 599,443.99
Step by Step Solution
- Step 1: Write the proportion equation
801,913.16 : 1,106,630.80 = 434,383.38 : x - Step 2: Convert to fraction form
801,913.16/1,106,630.80 = 434,383.38/x - Step 3: Cross multiply
801,913.16x = 1,106,630.80 × 434,383.38 - Step 4: Simplify right side
801,913.16x = 480,702,027,316.10 - Step 5: Solve for x
x = 480,702,027,316.10/801,913.16 - Step 6: Final answer
x = 599,443.99
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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.