Finding the Fourth Proportional to 633,511.18, 874,245.38 and 347,031.19
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Solution
The fourth proportional to 633,511.18, 874,245.38 and 347,031.19 is: 478,903.02
Step by Step Solution
- Step 1: Write the proportion equation
633,511.18 : 874,245.38 = 347,031.19 : x - Step 2: Convert to fraction form
633,511.18/874,245.38 = 347,031.19/x - Step 3: Cross multiply
633,511.18x = 874,245.38 × 347,031.19 - Step 4: Simplify right side
633,511.18x = 303,390,414,573.40 - Step 5: Solve for x
x = 303,390,414,573.40/633,511.18 - Step 6: Final answer
x = 478,903.02
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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.