Finding the Fourth Proportional to 750,242.80, 1,035,334.94 and 406,078.63
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Solution
The fourth proportional to 750,242.80, 1,035,334.94 and 406,078.63 is: 560,388.44
Step by Step Solution
- Step 1: Write the proportion equation
750,242.80 : 1,035,334.94 = 406,078.63 : x - Step 2: Convert to fraction form
750,242.80/1,035,334.94 = 406,078.63/x - Step 3: Cross multiply
750,242.80x = 1,035,334.94 × 406,078.63 - Step 4: Simplify right side
750,242.80x = 420,427,389,407.60 - Step 5: Solve for x
x = 420,427,389,407.60/750,242.80 - Step 6: Final answer
x = 560,388.44
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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.