Finding the Fourth Proportional to 816,239.07, 1,126,726.74 and 612,877.23
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Solution
The fourth proportional to 816,239.07, 1,126,726.74 and 612,877.23 is: 846,008.47
Step by Step Solution
- Step 1: Write the proportion equation
816,239.07 : 1,126,726.74 = 612,877.23 : x - Step 2: Convert to fraction form
816,239.07/1,126,726.74 = 612,877.23/x - Step 3: Cross multiply
816,239.07x = 1,126,726.74 × 612,877.23 - Step 4: Simplify right side
816,239.07x = 690,545,163,378.13 - Step 5: Solve for x
x = 690,545,163,378.13/816,239.07 - Step 6: Final answer
x = 846,008.47
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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.