Finding the Fourth Proportional to 977,444.10, 1,466,421.30 and 378,424.80
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Solution
The fourth proportional to 977,444.10, 1,466,421.30 and 378,424.80 is: 567,735.98
Step by Step Solution
- Step 1: Write the proportion equation
977,444.10 : 1,466,421.30 = 378,424.80 : x - Step 2: Convert to fraction form
977,444.10/1,466,421.30 = 378,424.80/x - Step 3: Cross multiply
977,444.10x = 1,466,421.30 × 378,424.80 - Step 4: Simplify right side
977,444.10x = 554,930,187,168.24 - Step 5: Solve for x
x = 554,930,187,168.24/977,444.10 - Step 6: Final answer
x = 567,735.98
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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.