Finding the Fourth Proportional to 894,107.51, 1,233,900.80 and 512,208.11
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Solution
The fourth proportional to 894,107.51, 1,233,900.80 and 512,208.11 is: 706,865.77
Step by Step Solution
- Step 1: Write the proportion equation
894,107.51 : 1,233,900.80 = 512,208.11 : x - Step 2: Convert to fraction form
894,107.51/1,233,900.80 = 512,208.11/x - Step 3: Cross multiply
894,107.51x = 1,233,900.80 × 512,208.11 - Step 4: Simplify right side
894,107.51x = 632,013,987,964.94 - Step 5: Solve for x
x = 632,013,987,964.94/894,107.51 - Step 6: Final answer
x = 706,865.77
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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.