Finding the Fourth Proportional to 626,480.56, 864,535.98 and 340,000.84
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Solution
The fourth proportional to 626,480.56, 864,535.98 and 340,000.84 is: 469,197.26
Step by Step Solution
- Step 1: Write the proportion equation
626,480.56 : 864,535.98 = 340,000.84 : x - Step 2: Convert to fraction form
626,480.56/864,535.98 = 340,000.84/x - Step 3: Cross multiply
626,480.56x = 864,535.98 × 340,000.84 - Step 4: Simplify right side
626,480.56x = 293,942,959,410.22 - Step 5: Solve for x
x = 293,942,959,410.22/626,480.56 - Step 6: Final answer
x = 469,197.26
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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.