Finding the Fourth Proportional to 850,085.76, 1,173,126.08 and 468,114.08
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Solution
The fourth proportional to 850,085.76, 1,173,126.08 and 468,114.08 is: 646,001.69
Step by Step Solution
- Step 1: Write the proportion equation
850,085.76 : 1,173,126.08 = 468,114.08 : x - Step 2: Convert to fraction form
850,085.76/1,173,126.08 = 468,114.08/x - Step 3: Cross multiply
850,085.76x = 1,173,126.08 × 468,114.08 - Step 4: Simplify right side
850,085.76x = 549,156,835,663.21 - Step 5: Solve for x
x = 549,156,835,663.21/850,085.76 - Step 6: Final answer
x = 646,001.69
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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.