Finding the Fourth Proportional to 601,212.26, 829,822.65 and 346,716.74
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Solution
The fourth proportional to 601,212.26, 829,822.65 and 346,716.74 is: 478,555.45
Step by Step Solution
- Step 1: Write the proportion equation
601,212.26 : 829,822.65 = 346,716.74 : x - Step 2: Convert to fraction form
601,212.26/829,822.65 = 346,716.74/x - Step 3: Cross multiply
601,212.26x = 829,822.65 × 346,716.74 - Step 4: Simplify right side
601,212.26x = 287,713,403,986.16 - Step 5: Solve for x
x = 287,713,403,986.16/601,212.26 - Step 6: Final answer
x = 478,555.45
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1.5x scale
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.