Finding the Fourth Proportional to 977,989.04, 1,466,858.94 and 378,540.08
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Solution
The fourth proportional to 977,989.04, 1,466,858.94 and 378,540.08 is: 567,761.88
Step by Step Solution
- Step 1: Write the proportion equation
977,989.04 : 1,466,858.94 = 378,540.08 : x - Step 2: Convert to fraction form
977,989.04/1,466,858.94 = 378,540.08/x - Step 3: Cross multiply
977,989.04x = 1,466,858.94 × 378,540.08 - Step 4: Simplify right side
977,989.04x = 555,264,900,496.32 - Step 5: Solve for x
x = 555,264,900,496.32/977,989.04 - Step 6: Final answer
x = 567,761.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.