Finding the Fourth Proportional to 626,221.64, 864,187.71 and 339,744.08
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Solution
The fourth proportional to 626,221.64, 864,187.71 and 339,744.08 is: 468,847.83
Step by Step Solution
- Step 1: Write the proportion equation
626,221.64 : 864,187.71 = 339,744.08 : x - Step 2: Convert to fraction form
626,221.64/864,187.71 = 339,744.08/x - Step 3: Cross multiply
626,221.64x = 864,187.71 × 339,744.08 - Step 4: Simplify right side
626,221.64x = 293,602,658,481.26 - Step 5: Solve for x
x = 293,602,658,481.26/626,221.64 - Step 6: Final answer
x = 468,847.83
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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.