Finding the Fourth Proportional to 850,214.34, 1,173,278.12 and 463,033.98
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Solution
The fourth proportional to 850,214.34, 1,173,278.12 and 463,033.98 is: 638,977.27
Step by Step Solution
- Step 1: Write the proportion equation
850,214.34 : 1,173,278.12 = 463,033.98 : x - Step 2: Convert to fraction form
850,214.34/1,173,278.12 = 463,033.98/x - Step 3: Cross multiply
850,214.34x = 1,173,278.12 × 463,033.98 - Step 4: Simplify right side
850,214.34x = 543,267,635,235.35 - Step 5: Solve for x
x = 543,267,635,235.35/850,214.34 - Step 6: Final answer
x = 638,977.27
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1.5x scale
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.