Finding the Fourth Proportional to 626,286.76, 864,183.84 and 350,630.36
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Solution
The fourth proportional to 626,286.76, 864,183.84 and 350,630.36 is: 483,818.45
Step by Step Solution
- Step 1: Write the proportion equation
626,286.76 : 864,183.84 = 350,630.36 : x - Step 2: Convert to fraction form
626,286.76/864,183.84 = 350,630.36/x - Step 3: Cross multiply
626,286.76x = 864,183.84 × 350,630.36 - Step 4: Simplify right side
626,286.76x = 303,009,090,925.38 - Step 5: Solve for x
x = 303,009,090,925.38/626,286.76 - Step 6: Final answer
x = 483,818.45
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Double scale
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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.