Finding the Fourth Proportional to 612,877.50, 845,425.36 and 367,799.58
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Solution
The fourth proportional to 612,877.50, 845,425.36 and 367,799.58 is: 507,356.02
Step by Step Solution
- Step 1: Write the proportion equation
612,877.50 : 845,425.36 = 367,799.58 : x - Step 2: Convert to fraction form
612,877.50/845,425.36 = 367,799.58/x - Step 3: Cross multiply
612,877.50x = 845,425.36 × 367,799.58 - Step 4: Simplify right side
612,877.50x = 310,947,088,102.22 - Step 5: Solve for x
x = 310,947,088,102.22/612,877.50 - Step 6: Final answer
x = 507,356.02
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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.