Finding the Fourth Proportional to 1,014,231.97, 1,399,677.84 and 578,720.23
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Solution
The fourth proportional to 1,014,231.97, 1,399,677.84 and 578,720.23 is: 798,655.44
Step by Step Solution
- Step 1: Write the proportion equation
1,014,231.97 : 1,399,677.84 = 578,720.23 : x - Step 2: Convert to fraction form
1,014,231.97/1,399,677.84 = 578,720.23/x - Step 3: Cross multiply
1,014,231.97x = 1,399,677.84 × 578,720.23 - Step 4: Simplify right side
1,014,231.97x = 810,021,881,490.70 - Step 5: Solve for x
x = 810,021,881,490.70/1,014,231.97 - Step 6: Final answer
x = 798,655.44
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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.