Finding the Fourth Proportional to 732,784.09, 1,011,241.84 and 401,638.12
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Solution
The fourth proportional to 732,784.09, 1,011,241.84 and 401,638.12 is: 554,260.49
Step by Step Solution
- Step 1: Write the proportion equation
732,784.09 : 1,011,241.84 = 401,638.12 : x - Step 2: Convert to fraction form
732,784.09/1,011,241.84 = 401,638.12/x - Step 3: Cross multiply
732,784.09x = 1,011,241.84 × 401,638.12 - Step 4: Simplify right side
732,784.09x = 406,153,272,677.54 - Step 5: Solve for x
x = 406,153,272,677.54/732,784.09 - Step 6: Final answer
x = 554,260.49
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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.