Finding the Fourth Proportional to 766,430.87, 1,057,623.99 and 460,325.36
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Solution
The fourth proportional to 766,430.87, 1,057,623.99 and 460,325.36 is: 635,218.60
Step by Step Solution
- Step 1: Write the proportion equation
766,430.87 : 1,057,623.99 = 460,325.36 : x - Step 2: Convert to fraction form
766,430.87/1,057,623.99 = 460,325.36/x - Step 3: Cross multiply
766,430.87x = 1,057,623.99 × 460,325.36 - Step 4: Simplify right side
766,430.87x = 486,851,143,941.39 - Step 5: Solve for x
x = 486,851,143,941.39/766,430.87 - Step 6: Final answer
x = 635,218.60
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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.