Finding the Fourth Proportional to 850,420.11, 1,173,582.93 and 468,445.98
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Solution
The fourth proportional to 850,420.11, 1,173,582.93 and 468,445.98 is: 646,457.20
Step by Step Solution
- Step 1: Write the proportion equation
850,420.11 : 1,173,582.93 = 468,445.98 : x - Step 2: Convert to fraction form
850,420.11/1,173,582.93 = 468,445.98/x - Step 3: Cross multiply
850,420.11x = 1,173,582.93 × 468,445.98 - Step 4: Simplify right side
850,420.11x = 549,760,209,277.72 - Step 5: Solve for x
x = 549,760,209,277.72/850,420.11 - Step 6: Final answer
x = 646,457.20
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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.