Finding the Fourth Proportional to 975,709.12, 1,463,519.76 and 406,855.84
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Solution
The fourth proportional to 975,709.12, 1,463,519.76 and 406,855.84 is: 610,265.45
Step by Step Solution
- Step 1: Write the proportion equation
975,709.12 : 1,463,519.76 = 406,855.84 : x - Step 2: Convert to fraction form
975,709.12/1,463,519.76 = 406,855.84/x - Step 3: Cross multiply
975,709.12x = 1,463,519.76 × 406,855.84 - Step 4: Simplify right side
975,709.12x = 595,441,561,311.40 - Step 5: Solve for x
x = 595,441,561,311.40/975,709.12 - Step 6: Final answer
x = 610,265.45
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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.