Finding the Fourth Proportional to 845,811.97, 1,167,112.99 and 483,259.31
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Solution
The fourth proportional to 845,811.97, 1,167,112.99 and 483,259.31 is: 666,836.41
Step by Step Solution
- Step 1: Write the proportion equation
845,811.97 : 1,167,112.99 = 483,259.31 : x - Step 2: Convert to fraction form
845,811.97/1,167,112.99 = 483,259.31/x - Step 3: Cross multiply
845,811.97x = 1,167,112.99 × 483,259.31 - Step 4: Simplify right side
845,811.97x = 564,018,221,231.30 - Step 5: Solve for x
x = 564,018,221,231.30/845,811.97 - Step 6: Final answer
x = 666,836.41
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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.