Finding the Fourth Proportional to 745,705.44, 1,029,117.42 and 561,619.26
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Solution
The fourth proportional to 745,705.44, 1,029,117.42 and 561,619.26 is: 775,067.65
Step by Step Solution
- Step 1: Write the proportion equation
745,705.44 : 1,029,117.42 = 561,619.26 : x - Step 2: Convert to fraction form
745,705.44/1,029,117.42 = 561,619.26/x - Step 3: Cross multiply
745,705.44x = 1,029,117.42 × 561,619.26 - Step 4: Simplify right side
745,705.44x = 577,972,163,873.51 - Step 5: Solve for x
x = 577,972,163,873.51/745,705.44 - Step 6: Final answer
x = 775,067.65
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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.