Finding the Fourth Proportional to 765,281.81, 1,057,545.42 and 573,963.05
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Solution
The fourth proportional to 765,281.81, 1,057,545.42 and 573,963.05 is: 793,161.40
Step by Step Solution
- Step 1: Write the proportion equation
765,281.81 : 1,057,545.42 = 573,963.05 : x - Step 2: Convert to fraction form
765,281.81/1,057,545.42 = 573,963.05/x - Step 3: Cross multiply
765,281.81x = 1,057,545.42 × 573,963.05 - Step 4: Simplify right side
765,281.81x = 606,991,994,776.73 - Step 5: Solve for x
x = 606,991,994,776.73/765,281.81 - Step 6: Final answer
x = 793,161.40
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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.