Finding the Fourth Proportional to 774,917.99, 1,069,399.60 and 426,073.16
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Solution
The fourth proportional to 774,917.99, 1,069,399.60 and 426,073.16 is: 587,987.99
Step by Step Solution
- Step 1: Write the proportion equation
774,917.99 : 1,069,399.60 = 426,073.16 : x - Step 2: Convert to fraction form
774,917.99/1,069,399.60 = 426,073.16/x - Step 3: Cross multiply
774,917.99x = 1,069,399.60 × 426,073.16 - Step 4: Simplify right side
774,917.99x = 455,642,468,483.05 - Step 5: Solve for x
x = 455,642,468,483.05/774,917.99 - Step 6: Final answer
x = 587,987.99
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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.