Finding the Fourth Proportional to 626,224.64, 864,191.86 and 339,747.08
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Solution
The fourth proportional to 626,224.64, 864,191.86 and 339,747.08 is: 468,851.98
Step by Step Solution
- Step 1: Write the proportion equation
626,224.64 : 864,191.86 = 339,747.08 : x - Step 2: Convert to fraction form
626,224.64/864,191.86 = 339,747.08/x - Step 3: Cross multiply
626,224.64x = 864,191.86 × 339,747.08 - Step 4: Simplify right side
626,224.64x = 293,606,660,994.77 - Step 5: Solve for x
x = 293,606,660,994.77/626,224.64 - Step 6: Final answer
x = 468,851.98
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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.