Finding the Fourth Proportional to 754,201.82, 1,130,946.93 and 274,091.99
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Solution
The fourth proportional to 754,201.82, 1,130,946.93 and 274,091.99 is: 411,008.68
Step by Step Solution
- Step 1: Write the proportion equation
754,201.82 : 1,130,946.93 = 274,091.99 : x - Step 2: Convert to fraction form
754,201.82/1,130,946.93 = 274,091.99/x - Step 3: Cross multiply
754,201.82x = 1,130,946.93 × 274,091.99 - Step 4: Simplify right side
754,201.82x = 309,983,488,973.36 - Step 5: Solve for x
x = 309,983,488,973.36/754,201.82 - Step 6: Final answer
x = 411,008.68
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1.5x scale
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.