Finding the Fourth Proportional to 830,173.97, 1,145,726.21 and 508,098.53
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Solution
The fourth proportional to 830,173.97, 1,145,726.21 and 508,098.53 is: 701,228.69
Step by Step Solution
- Step 1: Write the proportion equation
830,173.97 : 1,145,726.21 = 508,098.53 : x - Step 2: Convert to fraction form
830,173.97/1,145,726.21 = 508,098.53/x - Step 3: Cross multiply
830,173.97x = 1,145,726.21 × 508,098.53 - Step 4: Simplify right side
830,173.97x = 582,141,807,218.03 - Step 5: Solve for x
x = 582,141,807,218.03/830,173.97 - Step 6: Final answer
x = 701,228.69
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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.