Finding the Fourth Proportional to 652,808.20, 977,900.10 and 440,231.80
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Solution
The fourth proportional to 652,808.20, 977,900.10 and 440,231.80 is: 659,462.80
Step by Step Solution
- Step 1: Write the proportion equation
652,808.20 : 977,900.10 = 440,231.80 : x - Step 2: Convert to fraction form
652,808.20/977,900.10 = 440,231.80/x - Step 3: Cross multiply
652,808.20x = 977,900.10 × 440,231.80 - Step 4: Simplify right side
652,808.20x = 430,502,721,243.18 - Step 5: Solve for x
x = 430,502,721,243.18/652,808.20 - Step 6: Final answer
x = 659,462.80
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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.