Finding the Fourth Proportional to 889,461.97, 1,227,434.79 and 496,998.07
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Solution
The fourth proportional to 889,461.97, 1,227,434.79 and 496,998.07 is: 685,844.64
Step by Step Solution
- Step 1: Write the proportion equation
889,461.97 : 1,227,434.79 = 496,998.07 : x - Step 2: Convert to fraction form
889,461.97/1,227,434.79 = 496,998.07/x - Step 3: Cross multiply
889,461.97x = 1,227,434.79 × 496,998.07 - Step 4: Simplify right side
889,461.97x = 610,032,721,680.86 - Step 5: Solve for x
x = 610,032,721,680.86/889,461.97 - Step 6: Final answer
x = 685,844.64
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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.