Finding the Fourth Proportional to 609,662.97, 841,430.84 and 367,980.03
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Solution
The fourth proportional to 609,662.97, 841,430.84 and 367,980.03 is: 507,870.35
Step by Step Solution
- Step 1: Write the proportion equation
609,662.97 : 841,430.84 = 367,980.03 : x - Step 2: Convert to fraction form
609,662.97/841,430.84 = 367,980.03/x - Step 3: Cross multiply
609,662.97x = 841,430.84 × 367,980.03 - Step 4: Simplify right side
609,662.97x = 309,629,743,906.23 - Step 5: Solve for x
x = 309,629,743,906.23/609,662.97 - Step 6: Final answer
x = 507,870.35
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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.