Finding the Fourth Proportional to 850,214.23, 1,173,287.47 and 463,036.12
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Solution
The fourth proportional to 850,214.23, 1,173,287.47 and 463,036.12 is: 638,985.39
Step by Step Solution
- Step 1: Write the proportion equation
850,214.23 : 1,173,287.47 = 463,036.12 : x - Step 2: Convert to fraction form
850,214.23/1,173,287.47 = 463,036.12/x - Step 3: Cross multiply
850,214.23x = 1,173,287.47 × 463,036.12 - Step 4: Simplify right side
850,214.23x = 543,274,471,886.98 - Step 5: Solve for x
x = 543,274,471,886.98/850,214.23 - Step 6: Final answer
x = 638,985.39
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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.