Finding the Fourth Proportional to 860,711.04, 1,291,268.16 and 846,430.08
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Solution
The fourth proportional to 860,711.04, 1,291,268.16 and 846,430.08 is: 1,269,843.38
Step by Step Solution
- Step 1: Write the proportion equation
860,711.04 : 1,291,268.16 = 846,430.08 : x - Step 2: Convert to fraction form
860,711.04/1,291,268.16 = 846,430.08/x - Step 3: Cross multiply
860,711.04x = 1,291,268.16 × 846,430.08 - Step 4: Simplify right side
860,711.04x = 1,092,968,211,970.25 - Step 5: Solve for x
x = 1,092,968,211,970.25/860,711.04 - Step 6: Final answer
x = 1,269,843.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.