Finding the Fourth Proportional to 850,312.44, 1,173,406.86 and 463,119.03
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Solution
The fourth proportional to 850,312.44, 1,173,406.86 and 463,119.03 is: 639,091.02
Step by Step Solution
- Step 1: Write the proportion equation
850,312.44 : 1,173,406.86 = 463,119.03 : x - Step 2: Convert to fraction form
850,312.44/1,173,406.86 = 463,119.03/x - Step 3: Cross multiply
850,312.44x = 1,173,406.86 × 463,119.03 - Step 4: Simplify right side
850,312.44x = 543,427,046,798.55 - Step 5: Solve for x
x = 543,427,046,798.55/850,312.44 - Step 6: Final answer
x = 639,091.02
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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.