Finding the Fourth Proportional to 712,887.63, 983,542.73 and 406,744.08
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Solution
The fourth proportional to 712,887.63, 983,542.73 and 406,744.08 is: 561,168.64
Step by Step Solution
- Step 1: Write the proportion equation
712,887.63 : 983,542.73 = 406,744.08 : x - Step 2: Convert to fraction form
712,887.63/983,542.73 = 406,744.08/x - Step 3: Cross multiply
712,887.63x = 983,542.73 × 406,744.08 - Step 4: Simplify right side
712,887.63x = 400,050,177,936.83 - Step 5: Solve for x
x = 400,050,177,936.83/712,887.63 - Step 6: Final answer
x = 561,168.64
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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.