Finding the Fourth Proportional to 519,646.48, 716,550.16 and 451,075.84
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Solution
The fourth proportional to 519,646.48, 716,550.16 and 451,075.84 is: 621,996.83
Step by Step Solution
- Step 1: Write the proportion equation
519,646.48 : 716,550.16 = 451,075.84 : x - Step 2: Convert to fraction form
519,646.48/716,550.16 = 451,075.84/x - Step 3: Cross multiply
519,646.48x = 716,550.16 × 451,075.84 - Step 4: Simplify right side
519,646.48x = 323,218,465,324.13 - Step 5: Solve for x
x = 323,218,465,324.13/519,646.48 - Step 6: Final answer
x = 621,996.83
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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.