Finding the Fourth Proportional to 874,657.24, 1,207,029.18 and 507,205.60
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Solution
The fourth proportional to 874,657.24, 1,207,029.18 and 507,205.60 is: 699,945.00
Step by Step Solution
- Step 1: Write the proportion equation
874,657.24 : 1,207,029.18 = 507,205.60 : x - Step 2: Convert to fraction form
874,657.24/1,207,029.18 = 507,205.60/x - Step 3: Cross multiply
874,657.24x = 1,207,029.18 × 507,205.60 - Step 4: Simplify right side
874,657.24x = 612,211,959,459.41 - Step 5: Solve for x
x = 612,211,959,459.41/874,657.24 - Step 6: Final answer
x = 699,945.00
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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.