Finding the Fourth Proportional to 850,366.84, 1,173,507.87 and 463,181.07
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Solution
The fourth proportional to 850,366.84, 1,173,507.87 and 463,181.07 is: 639,190.76
Step by Step Solution
- Step 1: Write the proportion equation
850,366.84 : 1,173,507.87 = 463,181.07 : x - Step 2: Convert to fraction form
850,366.84/1,173,507.87 = 463,181.07/x - Step 3: Cross multiply
850,366.84x = 1,173,507.87 × 463,181.07 - Step 4: Simplify right side
850,366.84x = 543,546,627,811.23 - Step 5: Solve for x
x = 543,546,627,811.23/850,366.84 - Step 6: Final answer
x = 639,190.76
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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.