Finding the Fourth Proportional to 626,523.76, 864,580.80 and 340,038.08
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Solution
The fourth proportional to 626,523.76, 864,580.80 and 340,038.08 is: 469,240.62
Step by Step Solution
- Step 1: Write the proportion equation
626,523.76 : 864,580.80 = 340,038.08 : x - Step 2: Convert to fraction form
626,523.76/864,580.80 = 340,038.08/x - Step 3: Cross multiply
626,523.76x = 864,580.80 × 340,038.08 - Step 4: Simplify right side
626,523.76x = 293,990,395,236.86 - Step 5: Solve for x
x = 293,990,395,236.86/626,523.76 - Step 6: Final answer
x = 469,240.62
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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.